V2R2 to V4R2 E-Jump with Triple Axle

["Jewel, Jerry" <jerry.jewel@xxxxxxxxxxxxxx>]

Do you have any advice or gotchas to watch for?  Have you gone through a
V2R2 to V4R2 jump?

We are in the migration planning stages for many side-by-side upgrades
from V2R2 to V4R2.  I am sifting and adapting the IBM Road Map
documentation, sample task lists, and web FAQ's.  This is too large a
jump to use the Enhanced Upgrade Assistant.  (Heck, IBM dropped V2R2
over 3 years ago.) I plan to migrate most of the communication
configurations with fresh create CL's.

We have recompiled the core application programs on the RISC development
system.  We may be migrating marginal libraries (pgms are observable)
without recompile, rather than spending too much research time.

Summary of environment:
- APPC
- token ring
- PC Support  (going away on some, replaced by Client Access on others)
- Officevision (going away)
- Adding TCP/IP on some
- COBOL and RPG
- QES print cards for printing bar codes
- 5394 controllers on some

AS/400 to mainframe communication
- APPC
- NETVIEW/GIX/DSNX 
- HCF
- RJE JES2
- 3270 emulation

Thanks,
Jerry Jewel
jerry.jewel@nissan-usa.com
Better living through fine code and hot coffee!

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