IBM is dropping support for V5R4 as of September 30, 2013. Documented at:

I opened up an incident with Infor and asked them how they are handling
this. Their reply:

We currently support V5R4, V6R1, and V7R1 and typically end support for an
OS 6 months after IBM discontinues support.

So, support for V5R4 should end sometime in March 2014 time frame.

We continue to support the product from an education standpoint on older
unsupported releases of the OS, but cannot guarantee that any new objects
we may deliver via an MR or a new release would restore or run properly on
older unsupported OS versions.

How this may affect you? Well, if Infor changes all their compiles to
only go back to 6.1 and issue a BMR to fix something (for example a new
print format for W2's) you will not be able to get that fix on a V5R4

Now is the time to put in your budget for 2014 the funds to upgrade your
OS to either 6.1 or 7.1. You may have to upgrade your hardware to run
these newer versions of the OS.
As 7.1 has been out for years I see no reason to only upgrade to 6.1.
Well, if you have hardware that is only upgradeable to 6.1 maybe.

It is very important when upgrading your OS you read all applicable "Memo
to Users". For example, if you are upgrading from V5R4 to 7.1 you should
read both the Memo to Users for 6.1 and the Memo to Users for 7.1.

Related links:

What AS/400's and iSeries can run what software?

What Power Systems (replaced AS/400's and iSeries) can run what software?

Memo to Users for 6.1

Memo to Users for 7.1

Upgrading your OS

Rob Berendt

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