Walter, All,

I've been part of more than one Cognos upgrade. For the most part, 
things are forward compatible. However, I have had a few corner cases 
where it required changing the code. Honestly it was so long ago that I 
can't remember exactly what, only that it took a couple of hours 
research to find what was going on and to find a fix.

Of course, if you don't hit on a particular problem, then the migration 
will be as smooth as silk. Though, since the outcome looks exactly the 
same, you will feel like you've spent months running in place (with out 
the benefit to your cardio system). And of course no one will understand 
what you are doing. ;-)

Have fun,

Dave





Walter J. Murray wrote:
> Greetings,
>
> We are on COGNOS 8.39.C1, which is not a supported release.  We are on
> MPE/iX 7.5.
>
> We are weighing the risks of staying on this release indefinitely,
> versus the effort and risks associated with updating to a supported
> release.
>
> Others in the shop have been through an update before.  Is it true that
> all PowerHouse 4GL code has to be recompiled?  Is it common practice to
> test all QUICK, QTP, and QUIZ applications after updating?  Is it common
> to find things that work differently and have to be changed after
> updating?
>
> Is there any compelling reason to upgrade?
>
> Is anything likely to break between now and 2027 if we don't?
>
> Walter  
>
> Walter J. Murray
> California Department of Corrections and Rehabilitation
>
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