AS/400 Y2K problem

Mitsuhiro Okamoto wrote:

>Hi! I found out a problem regarding to the communication recovery function
>on AS/400 Ver.4.1. Does anyone know such a problem as shown below?
>
>My customer decided to change the year number from the Western era, 1998,
>1999, or 2000, to Japanese era, 'Heisei' 10, 11, 12 and so on. 'Heisei' is
>the name of the current Japanese era.
>Anyway after we updated all of the date fields on the database, we changed
>the system value QYEAR '98' to '10'. I know it means 2010, internally.
>QCENTURY value was changed from '0' to '1' automatically.
>
>At that point after IPL, our application system runs with no problem. Only
>difference is the indication and entry of the date fields: i.e.98/08/31 is
>changed to 10/08/31.
>But after I changed the QYEAR system value, some of communication failures
>happened. One of them is...  I finished the work with 5250 emulator session
>with PCOMM Ver4.1 DLC( using LAN connection via IEEE 802.2), the
>corresponding APPC controler on the AS/400 become 'Recovery Pending' status
>with a message'CPA58E1'. So I could never re-connect the 400 from the PC.
>Before I change QYEAR value, the APPC controler never become such a status,
>it automatically recovered.
>
>Thanks,
>Mitsuhiro Okamoto
>At Osaka in Japan

Congratulations, Mitsuhiro!
You have seen a legitimate AS/400 Y2K bug.  We've got a fix put into
the base of a 'future' release, and are working on a PTF for existing
releases.

If you need the PTF, you should work with your level 2 support people
to report the problem and track the PTF.

Thank you for your support,
Marty Keech, IBM AS/400 APPC, Payment Server, 'n Stuff

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