Top AS400 Questions Answered for CTOs and CIOs

As a technology leader, you are always in the spot to answer all questions pointed toward technology – Positive or Negative, regarding ROI or performance, about an upgrade or the migration; you must have the answers!

Are you deeply invested in AS400 systems? – well there is an army of board members to launch questions like weapons at you.

Well, we know, that just like every other CTO/CIO who relies on AS400 for the security and efficiency it brings to the business, you are furthering the faith.

But are you harnessing the full potential of your AS400 investments?

No one knows your AS400 system inside-out, as you do.

Yet, there are nitty-gritties, technological advancements, and future developments happening every day.

Being well-versed with this knowledge enables you to address the challenges right and answer the board confidently, without losing your peace of mind.

Considering the modern business landscape, we have put together the top questions that bother CTOs/CIOs like you, the most.

We are confident that this will help you understand everything essential related to AS400 for empowered decision-making.

Let’s begin to uncover AS400 essentials without further ado.

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What is the IBM AS400? Why does Your Business Need it?

In the age of old-generation stationary rotary phones and fax machines,

International Business Machines (IBM) introduced an easy-to-use, mid-range computer application named Application System (AS400) which transformed the way the world looked at computing.

From 1988 to the moment, you are reading this narrative, the AS400 has grown favorable and smarter.

Why Your Technological Ecosystem Might Collapse Without AS400 Systems?

Ever thought about whether you can thrive without the AS400 iSeries?

Well, here is a wakeup call for you.

Moving on, where did AS400 come from? Here is the timeline for all AS400 users to know.

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What’s the History of AS400?

Next, let’s understand what makes AS400 sustain its demand in 2025.

Why are the AS400 Systems Still in Demand in 2025?

Many are asking questions like — “Is IBM i still around? Is the IBM i/AS400 System Dead? Is IBM AS400 outdated? What’s the future of iSeries?”

Let us clear the clouds for you.

So, if you are a proud IBM i user or a curious adopter, one thing is clear. IBM iSeries is not on the verge of sunset instead it is armed to be the dawn of this tech landscape.

IBM i is there today and will be there tomorrow too!

This takes us to its important features. Let’s discover them one by one.

What Features Makes AS400 Relevant Today?

Here are the top features of AS400 that will fast-forward your business growth.

Cost-effective

As compared to the AS400 software, the IBM i is less expensive to operate. The users avail the benefit of the low cost of ownership, direct features, and combinatorial nature which makes it impressively cost-effective.

Elements of Greater Integration

The iSeries AS400 opens the door for easy collaboration with other software systems. It is armed with ample features that make integration smoother.

This includes web application servers, the DB2 rational database, web service servers, and more. The components, when combined, can efficiently perform 300+ operations.

All-in-One Solution

Contrary to the AS400 legacy system, IBM i offers all-in-one solution that include an operating system, middleware, development tools, and a database. This replaces the need for multiple vendors for support and maintenance.

Rapid AS400 Application Development

AS400 iSeries enables speedy application development owing to the conductive tools and environment, streamlining the software development and allowing you to improve the time to market.

IBM i has more life than the AS/400. With reliability, scalability, cost-effectiveness, and high security at its top, the tech has extended its popularity and usability.

Why AS400 / iSeries is Still at Heart of Large Organizations?

IBM AS400 / iSeries is updated and modified according to modern business requirements. Major industries like banking, finance, insurance, manufacturing, retail, logistics, etc. are using this cutting-edge technology in a modernized way.

AS400 / iSeries is Today, Tomorrow, and Forever

Many I.T. experts have concluded AS400 / iSeries as dead and outdated.

Still, if you look at the available facts, market data, and characteristics of the platform, you’ll get to know about the importance of this software and why AS400 iSeries can’t be ignored.

Although the platform has lost its value to some extent in the past few years, people are not aware of the importance of this legacy system.

AS400 / iSeries is still one of the most integral systems for several enterprises and manufacturing industries.

All the hardware and operating system of the platform have been modified by integrating the latest technology. Even the IBM AS400 / iSeries cloud version captures the market rapidly and gives tough competition to many other market players.

Also, the partnership between Google and IBM indicated that such cloud-based platforms are the need of the hour.

This takes us to the next priority question about its modernization.

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How to Achieve AS400 Application Modernization?

Don’t worry!

Here’s how you can plan and execute an IBM i modernization strategy successfully:

Let’s uncover them one by one.

People – Right AS400 Talent

The AS/400 iSeries is here to stay but the same cannot be said about the IBM i talent. The veterans are retiring, and the educational institutions don’t have courses on the curriculum.

And, that doesn’t mean the right talent isn’t accessible.

Planning – Strategic Execution Plan for AS400 Modernization

Many IT leaders and solution partners fail to create a plan that delivers successful modernization. They need to smartly direct time and resources to create actionable plans with a focus on customer satisfaction and user efficiency.

Process – A Rock-Solid AS400 Modernization Process

With IBM i at the heart of many businesses, the modernization process cannot be a guessing game.

To begin with, the leaders or their modernization partners must understand where to begin the process. Building a deeper understanding of processes is critical for fruit-bearing AS400 systems modernization.

Let us now move on to the AS400 application modernization.

AS400 Application Modernization

Your AS400 application modernization should tick off most business and IT drivers for a worthwhile upshot.

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Evaluate the AS400 Application Modernization Approaches

Here are the 4 key approaches to modernization.

Re-Hosting (lift-and-shift) Approach

This approach includes lifting and shifting your existing application to the cloud ecosystem like Azure and AWS to continue the existing architecture and functionality.

Renew the Existing Application Approach

This method involves honing the existing features or user interface while preserving the root ecosystem.

Re-Platform/Re-Engineering Approach

This approach requires migrating the application to the new platform as well as making significant changes in the code to fit in the new ecosystem.

Re-Architecting/Re-Factoring Approach

This process involves 360-degree redesigning and refactoring of the setup and of the code to enhance scalability, performance, and sustainability.

Moving on, let’s understand what ERP AS400 all is about and how it adds value.

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What is IBM AS400 ERP? How can it help your business to grow?

Call it ERP AS/400, iSeries ERP, IBM i, or System i, they all mean the same.

Simply put, AS400 ERP software is generally positioned on the AS/400 hardware. Today, it has evolved into the IBM Power Systems.

Let’s look at 5 compelling benefits of the AS400 ERP system that no leader should ignore.

Scalability

Businesses can easily get the core server and then upgrade it to 256-core as per the demand.

Reliability

The IBM i ERP has high-standard reliability with up to 100% uptime, which is exceptional among its counterparts.

Security

Rest easy as it offers uptight security to protect your operations.

Modern Capabilities

It delivers versatile language support including most programming languages like Java and RPG, so you won’t face difficulty finding the right talent.

Compatibility

It offers incredibly easy transitions making it efficient and hassle-free for organizations.

Next, we have the popular AS400 accounting software.

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What is AS400 Accounting Software? What is it used for?

The AS400 software for accounting are developed to support your crucial financial operations including accounts payable & receivable, reporting, payroll, and others.

It is used to build, develop, upgrade, and optimize your IBM i AS400 software application cost-effectively.

Does your company process large volumes of financial data frequently? Or engage in crucial financial operations frequently?

AS/400 accounting software can be your next strategic move to achieve financial success.

Having learnt about the different AS400 software applications, now why do companies still rely on AS400 technology.

Why do Companies Still Rely on AS400 iSeries Technology?

Are you wondering how your organization can benefit from the AS400 iSeries technology?

Well, data is essential in any industry, including banking, manufacturing, logistics, and insurance. You’ll need a secure server option to access and use this data, which is exactly where the AS400 iSeries technology comes in.

Let’s sneak into the basics a bit!

What is AS400 iSeries Technology?

In 1988, IBM launched the AS400 system.

It was a unified system that included hardware technology called AS400 and an operating system called OS400.

It also included several vital capabilities, such as a centralized database.

Over the years, both the hardware technology and the software application have undergone numerous upgrades, modifications, and name changes.

IBM is always modernizing the system and has huge goals for the development and growth of AS400. It releases new versions of the AS400 hardware and software every couple of years, with huge advances in its processing power and capabilities.

AS400 is Great, but do we have Enough AS400 Programmers?

This is one of the widespread myths with the AS400 veterans and RPG programmers retiring, there is a shortage of qualified talent.

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This leads us to its top features. Let’s uncover them one by one.

Top Features of AS400 iSeries

The following are the primary features of the AS400/iSeries system.

Object-Oriented Operating System

The object-based operating system offers unique capabilities that are not accessible in other varieties of operating systems. For instance, it offers single-level storage.

Because of its individuality, the AS400 iSeries system is more secure and reliable for business operations.

Components of Greater Integration

The AS400 technology is simple to utilize in collaboration with other software systems. It offers a number of features that make integration seamless.

These include web services servers, the DB2 relational database, web application servers, and others. These components, when integrated, can perform over 300 operations.

Effective Resource Allocation

The AS400 iSeries is a hybrid system based on technology that performs better than certain modern server applications.

Well-Designed and Functional Administrator Interface

IBM offers excellent solutions for performing routine operations within a company. The same cannot be said for Linux and Windows since they must rely on third-party providers for solutions.

It Costs Very Little to Operate

There are fewer hardware processors in the AS400 system.

As a result, it is less expensive and easier to install on your cloud server.

Next, let’s understand why AS400 is still used.

Is AS400 still used?

To this very day, over a million companies and organizations rely on AS400 technology, which is available within IBM i, to power their most critical application software.

These businesses range from hospitals and banks to distribution and manufacturing facilities, retailers, and governmental institutions.

Instead of running common software applications such as employee-based operations or office functions, the AS400/i-series servers are utilized in legacy systems.

According to statistics, the majority of users rely on the AS400 iSeries to run their commercial applications.

There is also a chance that the pressure on the program will increase.

However, there will always be a segment of people who would prefer to switch to another server for various other reasons.

Since iSeries was created about three decades ago, there has been some concern about its validity in today’s competitive business world.

Another factor to consider is the knowledge and expertise required to maintain and operate this specialized platform. Because it was built a long time ago, even the people who created it may be on the verge of moving it.

This also implies that their expertise is being disseminated. As a result, it is critical to have a succession plan in place to guarantee that expertise does not fade out with them.

Considering its stability, flexibility, security, and compatibility, the following are key reasons why the AS400 iSeries platform is still a great choice today:

As pointed out previously, AS400 is upwardly compatible. This means that it helps to save money by eliminating expensive and time-consuming code migrations when platforms are upgraded.

Its reputation as a dated platform could hardly be further from reality. Indeed, its good blend of native and open-source programming languages provides modern and conventional stability.

Any security vulnerabilities or potential threats can be eliminated with the right AS400 software application.

More significantly, the AS400 i series can handle not just a quad-core server but even systems with up to 256 cores.

And when it comes to reliability, flexibility, and performance, AS400 is at the top of the list. Almost all of the time, the platform is known to be functioning well.

Moving on, let’s understand what AS400 iSeries is used for.

What is AS400/iSeries Used for?

The AS400 i series platform is widely used for enterprise resource planning and other mission-critical operations. It is especially used in industries that demand high levels of reliability, such as production and manufacturing.

Customers of systems, applications, and products as well as users of competing database management systems choose the AS400 power systems.

With the advent of the AS400 cloud, the iSeries framework has become a more prominent cloud solution. Secure-24, an AS400 channel partner, works closely with AS400 to develop iSeries solutions for a variety of applications.

At this stage, iSeries can host anything, but various use cases might necessitate entirely different implementations. A manufacturing organization might require a hybrid AS400/i-series cloud to ensure extremely low latency. However, a retailer might prefer the cost management features and scalability of a cloud-only system.

Now that you know how prominent and useful AS400 iSeries is, let’s learn some of its crucial benefits.

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Benefits of AS400 iSeries

Here are the top compelling benefits of the AS400 iSeries server.

Increased Productivity and Efficiency

One of the reasons for the AS400/i-series’ popularity is that it has served as a model for how much data and resolutions software can handle in various industries.

A developer will be able to easily apply the same concepts from one product to a subsequent project with an identical layout. Things will be even faster and more productive as a result of this.

Furthermore, the AS400 system works effectively with large data sets at once, which is not always the case with its competitors. If you’re working with a lot of complex calculations, for instance, you should be able to receive the data-driven conclusions you need quickly.

AS400/iSeries Requires Less Staff

If you’re a small firm or a startup, this is a perfect choice for you. This software does not require a large workforce to run. In fact, the AS400 system can be managed by a single administrator.

The iSeries system was created with a minimal cost of ownership in mind. In fact, this system is beneficial to business organizations that are striving to cut costs in this domain.

This software will be updated and developed on a regular basis by IBM. You won’t have any problems continuing to develop the intellectual property your company requires without having to switch to a new system.

AS400 is an incredibly reliable software system that has been around for a long time. When compared to competitors, it rarely has any form of maintenance issues, which is one of its greatest aspects.

Today, server security and stability are inextricably linked, especially as businesses continue to store their most sensitive data and resources on their servers. That data is subject to assault if there are no reliable security measures in place.

The AS400/iSeries has an object-based framework, which means it handles all data and devices as objects. This is one of the reasons it is so safe. It also offers single-level storage, which assures that any form of an enterprise system is completely secure.

AS400 iSeries is User-Friendly and Flexible

IBM created the AS400/i-series to ensure that hardware and software upgrades won’t interfere with one another. Any modifications to the software or upgrades to that part of the programming, for instance, will have no effect on how the hardware technology operates.

This allows the user to easily upgrade or change things as needed without having to deal with multiple deployments.

Next, let’s understand why moving AS400 applications to a reliable cloud is a wise move.

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Is it Wise to Move AS400 Applications to a Reliable, Responsive, and Flexible Cloud?

IBM i Cloud technology has helped several businesses to incorporate flexibility along with reliability and responsiveness. It is not difficult to migrate your AS400 applications to the cloud, but it requires experience and expertise in successfully making the move.

Any organization exploring a strategy to move to the cloud should consider several factors such as the interdependence and interfaces among the various applications, data contingency, especially legacy data, unique hardware configurations, 3rd party software, etc.

In today’s fast-paced and highly competitive business environment, companies cannot afford any missteps, which might impact business responsiveness and service quality.

Thinking, “What is the ideal approach for migrating AS400 applications to the cloud?”

Here are a few steps you must follow to meet the end goal.

Spot the Right AS400 Technology Partner

Most organizations consider this to be the last step of their cloud migration strategy, but ideally, it should be the first step. There are several organizations that offer iSeries consulting services.

Understand Current State and Future Requirements

A disciplined, modular approach based on the Build, Deploy, and Run methodology is a viable solution.

A complete understanding and documentation of the current software infrastructure, which represents the investments by the IT organization in the people, processes, and technology needed for application development, as well as legacy workflow processes, are very critical. Also, the embedded financial governance controls should also be taken into consideration.

Key stakeholders within the business need to be informed and the order of migration and its impact on business and especially the staff should be clearly communicated.

Choosing to migrate to the cloud is a long-term, strategic decision that needs to factor in a company’s current strengths but also how it can help to address any weaker areas.

Costs and Risks Calculation

One of the most challenging aspects of cloud migration is cost calculation, as stakeholders often underestimate expenses incurred in the complete process.

Your AS400 consulting partner must help you plan effective cost calculations for migrating your AS400 applications to the cloud.

In addition to the costs of migrating, they must help you understand costs incurred in tools and services involved in the transition.

Like every other business project, cloud migration also poses certain risks to an organization.

That’s the reason it is always advisable to discuss and understand every possible risk and address them upfront.

This helps you navigate unprecedented delays and eliminate unnecessary costs.

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Why is AS400 Still Reliable, Sturdy, and Secure?

AS400 came into existence in 1988.

Since then, many different computer systems have come into being. While some may argue that ERP AS400 is dead, it is not in the form of IBM iSeries.

Even today, AS400/iSeries systems are very reliable and robust.

Most companies that use AS400 and iSeries do so because the software and hardware perform well, even today.

Fascinatingly, IBM AS400 has the largest market share of 36.45% with the topmost users from the United States with a share of 59%, as per Enlyft.

The dominant numbers echos the existing popularity of the system’s capabilities and trust in the modern business world.

Yet, one may say that the current technologies offer more benefits, with more versatile ERP, that can help in modernization. Within the AS400 ERP system, this can be attained with even less risk and most minor invasion.

When AS400’s journey started in 1988, it was seen as a powerful combination of software and hardware. It had its operating system, namely 0S400.

In the current day, when we say AS400, we refer to the entire IBM product range, modified over the years. This includes Power Systems with the operating system IBM.

Thinking, “What exactly makes IBM iSeries AS400 one of the most reliable and simple?”

Let us try to find out.

Where AS400 is Used the Most?

With numerous companies still operating on IBM iSeries AS400 globally, this computer system has created a legacy.

Irrespective, the use of AS400 ERP in any business relies highly on the kind of business.

At present, the modernization of AS400 ERP is possible. It can also be done with very minimal risk. IT services and cloud-hosting providers can move AS400 workloads to the cloud, including Microsoft Azure.

This helps companies shift their legacy systems to the cloud. Yet, the usability does not change much in the cloud, and certain expert management is still needed.

The use cases of ERP AS400 are varied. Since many businesses still rely on this system to sustain their business operations, it is crucial.

Question arises – “When should you consider modernizing ERP AS400?”

Here’s a quick snap list of scenarios where it proves gold!

Your business highly lacks the strategic advantage offered by IBM AS/400.

The Architecture of IBM iSeries AS400

The AS400 ERP platform runs on Technology Independent Machine Interface or TIMI. It is a platform-independent instruction set architecture, also called ISA. This architecture is compiled together with the native machine language instructions.

For years, the platform has utilized this capability to transform the present processor architecture without tampering with the application’s compatibility. The previous systems were based on 48-bit CISC processor architecture. This architecture is also called Internal Microprogrammed Interface (IMPI), originally developed for the System/38.

Back in 1991, the company launched a new version of the system running on a 64-bit PowerPC-derived CPU, the IBM RS64. Since the initial use of TIMI was there, the applications continued to run on new systems without any changes. By 2001, the RS64 was replaced with POWER4 processors, and new POWER series models were live.

The iSeries system has a feature prompting its longevity via the high-level instruction set of TIMI that allows applications programs to salvage all the benefits of advances in hardware and software without recompilation.

Since TIMI is a virtual instruction set, it is not dependent on any underlying machine instruction set of CPU. Within the user-mode programs, both the TIMI instruction and machine instruction are present.

This ensures hardware independence. You can say that this is like the architecture of Java and .NET.

Why is ERP AS400 Considered as Reliable?

Even though AS400 ERP has been around for many years, it is still considered one of the most reliable systems.

Based on all these, we can confidently say that iSeries ERP is considered one of the most reliable systems.

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Why do Experts think of IBM iSeries AS400 as Simple?

The best part about AS400 ERP environments is that they can be modernized. It can be performed with minimum risk if it is well-planned. Yet, many businesses and technology managers do not always agree on what modern technology refers to.

There are IT services and cloud-hosting providers who specialize in transferring AS400 ERP workloads to the cloud. The transfer could also be to Microsoft Azure. As a result, any company can continue the use of their preferred legacy systems using cloud infrastructure.

The benefits are numerous, such as scalability, resilience, and cloud-driven security. There is also no risk of old hardware faltering due to cloud computing transitions. Through the cloud, it becomes easier to work with integrations and data flows.

AS400 software may not change much in the cloud, yet some expert management is essential. In terms of transferring to modern ERP systems, some believe that AS400 is not ready. Most think that except for SAP, most other ERP systems do not run well on the AS400 foundation.

To ensure the success of your seamless AS400 software cloud migration, you can leverage the expertise of an ERP AS400 consultant who meticulously performs the cloud configurations, instills robust security standards, and makes the most of your cloud investment.

A skilled consultant can elevate your chances of success with the right cloud strategy, operating model, roadmap, and ecosystem.

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Next, let’s understand a bit in depth about AS400 works.

Know About the Working of IBM AS400

The IBM AS/400 is one of the robust and the most modern operating systems in use today. The AS400 runs on operating system 400 or OS/400. It has an independent machine layer that sits between the hardware and the processor. The processors have changed multiple times in the past few years while preserving software compatibility.

Several questions related to AS400 are available on the internet as people continuously search for their answers. We have tried to answer some of the problems in this post.

How AS400 Works?

IBM AS400 system has been a strategic asset and benchmark of reliability for various organizations in the contemporary landscape.

For heavy-duty data processing, organizations still rely on IBM AS400 iSeries.

How to Use AS400?

To use AS400 software, you need the Mocha TN5250 program.

It is an emulator for MS-DOS and provides access to IBM AS400 mainframes and imitates a 5250-information display system.

How to Debug a Batch Job in AS400?

The process breaks at the first breakpoint installed and gives you the control.

When you’re done, do an ENDDBG and ENDSRVJOB

How to Check OS Version in AS400?

There are various ways to check the OS version in IBM AS400, but here is the best way to do this –
Type DSPJOB OUTPUT(*PRINT) from a command line and press ENTER. (This Command will create a spool file within the system and show information about the latest inactive jobs). And at the top of every AS400 OS generated by the DSPJOB command, you will find the versions of the operating system.

How to Find an IP address in AS400?

To find the IP address of your IBM AS/400 installation, follow these steps –

• Enter WKRTCPSTS *IFC (If this Command shows up multiple IP addresses, you can also check IP address through another way.
• Enter your catalog name from the iSeries command line).

This way, you will get to know the resolved IP address for your system.

Or you may record the IP address to use for the Sterling B2B Integrator installation

How to Create a Command in AS400?

How to Create a Physical File in AS400?

The physical file is a database for all the data records of an organization, and the data records are grouped with physical file members.

Furthermore, each group member has a data access path.

Generally, database files have only one member by default, and it is added to the file at the time of creation. If the required physical file has a track record setup with only one character needed or the existing file is the source file, the DDS source file will not be necessary.

After its creation, to prevail characteristics of the file, use the (OVRDBF) command before the file is opened. To change file features after its design, use the (CHGPF) change physical file command.

The (CRTPF) Create Physical File command will create a physical file from the information stated and (optionally) from the (DDS) data description specifications confined in a source file.

How to Check Library Size in AS400?

Generally, to Retrieve Library Description (QLIRLIBD) API is called, and it displays the total size of objects stored in the library.

To get more info about libraries, use the RTVOBJD command. (It will retrieve the size of library objects). The size of library objects may get longer than expected as it consists of a list of items, among other things.

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Up next, let’s uncover some lesser-known facts about AS400.

Things You May Not Know About IBM AS400/iSeries

How many of you know about AS400/i-series?

May be very few or maybe none of you.

Many people consider AS400 as dead, but the latest version released by IBM that is IBM power systems, is one of the robust and reliable systems used by various organizations worldwide.

Although AS400 iSeries is one of the legacy systems, the latest version has an excellent operating system and documentation.

Versions of AS400 iSeries

IBM released this easy to use AS400 iSeries for small and medium businesses in the 1980s. And since then, IBM has released versions and modifications of AS400.

• In the year 2000, IBM AS400 was updated and renamed to eServer iSeries
• In 2006, it was renamed IBM System i
• In 2008, the system was modified and renamed IBM Power Systems

Introduction to AS400 iSeries Unique Architecture

Although AS400 / iSeries is easy to use for users, it has a complex architecture.

It is integrated with various components like hardware, software, database, and security measures.

AS400 /iSeries, now IBM power systems, is a unique and advanced system that can readily incorporate new technologies.

AS400 iSeries is designed to keep hardware and software separate and change in one does not affect the other.

IBM has made it possible through the Machine Interface (MI). It is a software programming interface between H/W and applications. Furthermore, the O.S. in AS400/i Series comes integrated with an in-built database, in which users do not need to make any installations separately.

Moreover, the AS400/i Series is an integrated file system (IFS), which implies applications are written on file systems like UNIX, and P.C. can access data stored on AS400 iSeries.

Essential Characteristics of AS400 iSeries

Everyone preaches about the impact that AS400 brought in. Let’s unwind some of the quintessential characteristics of AS400/iSeries that make it invincible.

Object-based Kernel

AS400 / iSeries O.S. considers every file or device as an object. This means the AS400 i Series operating system has other special features in comparison to others. One of its features is a single storage level, which assures stability and security for organizations.

Administrator Interface

While using Linux or Windows, you must have come across many tools that can boost your system’s administrative efforts. But if you are using AS400 / i-series, you can use autonomic technologies to perform tasks.

Integrated Components Offerings

AS400 iSeries is outstanding for integration with many core functionalities and tools. It can perform more than 300 tasks simultaneously.

PowerVM

The availability of PowerVM in AS400 / iSeries reduces the usage of a large amount of hardware. This reduces the complication of administration and energy costs. PowerVM minimizes workload, helps clients in cost control, and improves flexibility, energy efficiency, and overall performance.

The Truth About AS400 / iSeries – Promise of Reliability and Security

The operating system OS400 in AS400 / iSeries server provides five security settings that range from 10 to 50.

Level 10 has become outdated, and IBM has removed it from the latest AS400/iSeries.

In contrast, the other four levels are still available and are used in every organization as per business requirements.

Level 10

This level promises no security at all. Also, the level did not require any password to sign-in to the terminal session. And this is the reason for removing this level.

Level 20

This level provides sign-on password security. It means, after logging in, users will be able to access all the objects on the system once it was used as a default setting into the system.

Level 30

The third level provides object authority to the users. At this level, users require object-level access planning and implementation.

Level 40

This is the default level settings in all the IBM AS400/iSeries system. It ensures complete protection and separates the user and the system domain. Moreover, requests from unapproved interfaces are not allowed.

Level 50

This is the most advanced and additional integral protection level that meets U.S. Department of Defence “C2” security requirements.

More Power to the ‘Power Processors’

The first power processor saw its existence in the 1980’s AS400 servers.

Slowly, these processors improved with time and found their way in IBM Power Systems. The modern-day processors are very capable of running AIX, IBM AS400 iSeries, and Linux.

In the year 2018, IBM launched the 9th generation of POWER processors by the name of power9 servers.

AS400 is widely used in organizations where security, reliability, and efficiency are top priorities. The software is used for many mission-critical applications and mainly for ERP. Also, the latest version of IBM AS400 / iSeries is useful for SAP and Oracle users.

In the current scenario, several organizations are moving towards cloud hosting, and IBM AS400 / iSeries has also given complete support in the same direction.

IBM AS400 iSeries works with its authorized channel partners to provide best in class customized cloud solutions. Moreover, Google has also partnered with IBM AS400 / i-series to run the Power9 system on Google cloud.

Next, let’s understand how AS400 support and maintenance services makes your job easier as an AS400 administrator.

What are the AS400 support & maintenance services?

AS400 is a reliable tech for sure, no second thought about it.

But businesses face delays in advancements and a shortage of technical expertise, to enjoy the most of it.

AS400 support services is a dedicated service that provides constant monitoring, system updates, and conflict resolution that help AS/400 users prevent IT downtime, improve security, and enjoy optimized versions of AS400 applications.

A reliable AS400 consultant offers round-the-clock support for your team to enjoy smooth operations and minimal disruption.

Thinking, “What are the AS400 support & maintenance services?”

Wondering if you need IBM i/ AS/400 support services?

The AS400 services are like the librarians, backbone of a library.

The AS400 programmers, just like librarians who organize, manage, safeguard, optimize, and ensure an organized environment for your IBM i ecosystem.

Just as the librarians assist visitors in using the resources effectively, the AS400 programmers assist the users in making the most of the AS400 library. Without their support, the platform’s management could potentially go haywire.

Thinking, “How will AS400 support services benefit my business?”

The IBM i support services are essential for your business to deal with whatever comes next.

The variety of services enables you to focus on your crucial business goals without worrying about your IBM iSeries infrastructure.

Now that we have covered everything that AS400 can offer, let’s move to a company that can modernize your software, improve your security, and help scale your business operations.

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Need an IBM iSeries AS400 Consulting Partner?

Your search ends here with Integrative Systems!

Are you looking to hire a qualified ERP AS400 consultant for your AS400 cloud migration project?

If yes, then you have got the answer to your problem.

We, at Integrative Systems, can help navigate your technological journey with ERP AS400, toward a brighter future. Yes, we understand that it may feel a little different working with a team outside of your organization but trust us it would be worth it in the long run.

We work as an extension to your team and help optimize many other business points to synchronize your technological objectives and succeed.

We bring in about two decades of expertise in application integration and ERP modernization services, catering to our AS400 clientele, spread globally. With our ERP AS400 experts at your disposal, you can see your business touch new heights.

Drop us a line at [email protected] and our team of experts will get back to you in 2 business days.

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Frequently Asked Questions

1. Is IBM iSeries the same as AS400?

Ans: Yes, the IBM iSeries is the modern successor to the AS/400. The AS/400 (Application System/400) was a series of midrange computer systems developed by IBM in the late 1980s. Over time, the platform’s name and branding evolved, and it eventually became known as the IBM iSeries or simply IBM i.

The IBM iSeries or IBM i is an integrated operating system and hardware platform designed to run business applications. It offers a wide range of capabilities including database management, security features, application development tools, and more. The transition from the AS/400 to the IBM iSeries represents an evolution of the platform while retaining its core features and functionality.

2. What is the current operating system for iSeries?

Ans: The current operating system for IBM iSeries (formerly known as AS/400) is the IBM i operating system or IBM i 7.4. IBM i is a highly integrated operating system that is designed to run on IBM Power Systems servers, which include the iSeries hardware platform.

3. What is the difference between IBM AS400 and iSeries?

Ans: The primary difference between IBM AS/400 and iSeries lies in their branding and the era in which they were introduced. The AS/400 represents the earlier phase of the platform’s development, while the iSeries represents a later phase with updated technologies and features. Despite the change in branding, the fundamental strengths of the platform, including its integrated architecture, database capabilities, and reliability, have persisted through both the AS/400 and iSeries stages.

It’s worth noting that the platform has continued to evolve, and currently is referred to as “IBM i” or “IBM i on Power Systems.”

4. Why Is AS400 i Series Still in Demand?

Ans: The continued demand for the AS/400 iSeries, is driven by its reliability, longevity, integrated architecture, security features, scalability, and the significant investments that organizations have made in the platform. It remains a dependable choice for businesses looking to maintain their existing systems, leverage their expertise, and ensure the smooth operation of critical applications.