AS/400 V4R2-R1 "downgrade"

[grnhornt@xxxxxxxxxxxxx]

Has anybody tried de-upgrading an AS/400 OS release lately?  We have a customer 
that wants to move a system from V4R2 back to 
V4R1 so their secondary system matches that OS/400 release of their production 
system which can't be upgraded right now. 
(Their s/w vendor doesn't support V4R3, and they don't want to upgrade twice in 
rapid succession).  

This process isn't documented anywhere that I can find (no surprise), so right 
now I'm planning a relatively manual approach 
of scratching the system, loading the OS and licensed programs, then restoring 
the configuration and user libraries and 
manually updating things like TCP/IP configuration and system values.

Is there a better way that I can feel comfortable with?

Erik Knudson
Symatrix Technology
Portland, OR



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