BW Workbook Precalculation with Multiple BW Servers

Greetings,
We have recently set up a Windows 2003 server with the BW Precalculation service. We have successfully configured the precalculation service to attach to our BW Production server and it is functioning properly. We have workbooks that are precalculated and emailed each day.
As we develop new precalculation scenarios we would like to develop and test these in our BW Development system. However, I cannot get the existing Precalculation service to connect to both our BW Development server and our BW Production server. It will either attach to our BW Production server or our BW Development server but not both.
I've tried various combinations including...
deleting all BW calculation services from SPRO in both BW systems.
logging onto the server where the BW precalc service is running.
stopping the BW precalculation service
from the server, creating the SPRO configuration in both bw servers.
restarting the precalc service.
the precalc service will then attach to one of the bw servers but not both.
Does anyone know if it's possible to have a single precalculation service handle requests from multiple BW systems? If so, could you please help me with the configuration steps?
Thanks in advance,
David Eady
Reporting Team Lead
SI Corporation

Thanks for the quick reply! I upgraded the BW precalc service to SP12 but still cannot attach the service to multiple BW instances. It will attach to one or the other but not both. Do you have any suggestions regarding the setup/configuration steps?
Thanks,
David.

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"Meherzad Gotla" <[email protected]> wrote in message news:[email protected]...
 > Hi
 >
 > I've got two weblogic 5.1 sp9 servers running identical copies of my
 > application but pointing to different database instances (both Oracle
 > 8.1.6). I have a transaction which requires creating entity beans on
 > both the servers (the first server calls the second in a "b2b"
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 [email protected]
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