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Losing odbc connection on install



Losing odbc connection on install LisaConsult
1/31/2005 10:17:38 AM
sql server msde: We have a system which uses an ODBC connection to connect to SQL Server 2000
for Ceridian Prism--an application for HR departments. Now we are installing
a VB.Net application which uses MSDE (SQL 7). The problem is that for some
reason we are losing the original ODBC connection to 2000 when we install
MSDE. Now I realize that installing MSDE 2000 may help this issue, however
we really need to use SQL 7 for now. Does anyone have any ideas of what
might be causing the loss in the connection? Is the SQL 7 install
overwriting something that the ODBC needs for the 2000 connection? Is it
something with named instances? We are using the standard MSDE installation
from Microsoft.
Re: Losing odbc connection on install Jim Young
1/31/2005 10:45:03 AM
My guess is that the MSDE 7 installation is installing an older version of
MDAC which is not ADO.Net compatible. It could also be an issue with named
instances as earlier version of MDAC (pre 2.5 I think) did not support named
instances.

Jim

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Re: Losing odbc connection on install LisaConsult
1/31/2005 7:23:02 PM
Thanks for your response. Actually, we know that it is somehow SQL Server
related and not MDAC because once we uninstalled Server Manager and MSDE, the
connection worked fine again. As an aside, if they needed MDAC, we installed
2.6, but as I said, I don't believe this was the issue. Any other thoughts?

Thanks

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RE: Losing odbc connection on install LisaConsult
1/31/2005 7:25:03 PM
Oops, my mistake, this app is actually still a VB6 app.

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Re: Losing odbc connection on install Jim Young
1/31/2005 10:43:48 PM
I still think that it is a problem with the data connection layer and not
SQL Server. Have you tried installing MDAC 2.8 after MSDE 7 is installed.

Jim

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