Thanks for the responses.  I was concerned about the JES spool too but we 
don't share spool between LPARs.  

When I went from OS/390 2.9 to z/OS 1.4, I ran the 2.9 JES until after the OS 
was considered stable.  Then I did the ACTIVATE and followed that a few 
weeks later by coming up with the new JES and the old spool.  Spool didn't 
even know I was there.

I didn't do an offload-reload because I've heard too many horror stories about 
corruption in spool files.  A friend did an upgrade wth offload-reload and 
spent 
most of the following week trying to recover from the damage.  It never was 
quite right and management just decided to deal with the loss.

Thanks for the tips about TCP/IP and LE parms changing.  I've been getting 
console messages about things getting changed in a future release.  Guess 
now is the time to pay closer attention.

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