When it comes to managing your IBM i systems, the choice between IBM i Access Client Solutions (ACS) and IBM i Access for Windows (formerly Client Access or iSeries Access) can be confusing due to their similar names. However, the differences between these tools are significant. While IBM i Access for Windows has served its purpose for years, it’s a legacy tool that is no longer actively supported or updated by IBM.
In contrast, ACS is a modern, cross-platform solution designed to meet today’s security, performance, and usability standards. With features like advanced SQL scripting, secure file transfers, and support for multi-factor authentication, ACS is built for the future of IBM i environments.
If your organization is still clinging to IBM i Access for Windows because “it isn’t broken,” it’s time to recognize that sticking with outdated tools introduces unnecessary risks and inefficiencies. Let's take a closer look at what you gain by moving to IBM i Access Client Solutions (ACS).
IBM i Access Client Solutions (ACS) is the modern, flexible option designed to support multiple operating systems, including Windows, macOS, Linux, and even browser-based environments. It offers a sleek, updated interface and comes with a wide range of integrated tools like:
Security is a major strength of ACS, which supports SSL/TLS encryption, role-based access control, and integration with modern authentication systems like LDAP and multi-factor authentication (MFA). Because IBM actively develops and maintains ACS, it receives regular updates, keeping it in line with evolving security standards and performance needs.
IBM i Access for Windows is a legacy tool. As such, it has limited support, is Windows-only, and offers fewer features. While many longtime IBM i users are familiar with it, moving to ACS offers so much more.
Plus, its interface feels outdated, and security can be a concern. It often relies on older encryption protocols and lacks support for modern security measures like MFA and single sign-on (SSO). With IBM no longer actively developing new features or security updates for Access for Windows, it’s becoming harder to recommend to customers who are focused on security and performance.
|
Feature |
IBM i Access Client Solutions (ACS) |
IBM i Access for Windows |
|
OS Support |
Windows, macOS, Linux, Browser |
Windows-only |
|
Security |
Modern SSL/TLS, encrypted connections |
Limited security updates |
|
Performance |
Faster, optimized |
Slower in some database tasks |
|
Database Management |
Advanced SQL tools & scripting |
Basic ODBC & data transfer |
|
Terminal Emulation |
Yes |
Yes |
|
Future Support |
Actively developed |
No new features |
IBM i Access Client Solutions (ACS) is the next-gen powerhouse you’ve been waiting for, and it leaves IBM i Access for Windows in the dust. Here’s why:
Now is the moment to rip off the bandaid and make the switch to IBM i Access Client Solutions. As we have shared with many of our clients, not only will you benefit from improved performance and cross-platform support, but you’ll also gain a more secure and future-proof solution for managing your IBM i environment. Modernize your operations today and ensure your IBM i environment is ready to tackle tomorrow’s challenges with confidence.
Briteskies, an IBM partner for 25 years, offers comprehensive services for IBM i (AS400) systems, including consulting, development, staffing, security audits, EDI solutions, and integrations. Our team combines over 40 years of IBM i expertise with fresh talent, delivering both legacy knowledge and innovative perspectives. Skilled in every RPG iteration and modern technologies like Node and API solutions, we seamlessly integrate applications to support business goals. Dedicated to modernization, security, and efficiency, we help businesses optimize and upgrade their IBM i environments for long-term success.
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