Problems installing SQL 2005 April CTP

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I hit a showstopper installing the SQL Server 2005 April CTP. I think the problem may have been related to having an instance of SQL Server 2000 already installed on the box. During setup I got the following error message.

"SQL Server Setup could not connect to the database service for server
configuration. The error was: [Microsoft][ODBC Driver Manager] Data source
name not found and no default driver specified".

Mauro had the answer though. Execute this command line then run the setup again:

\SETUP\sqlncli.msi REINSTALL=ALL REINSTALLMODE=OMUS /QB

Thanks Mauro. I’m now subscribed!