ODBC Connection Windows 7 64bits very slow

Posted by benantes on 18-Mar-2011 03:37

We have an application developped on c# (.Net 2.0) that use ODBC connection.

On Windows XP 32 bits the connection is almost instantaneous.

But on Windows 7 64 bits with the same driver the connection take at least 2 seconds and select and update commands are very slow.

Does anyone encountered this problem and solved it ?

The driver is Progress OpenEdge 102.A Driver version from Datadirect Technologies.

The datasource is configured like this:

  • Advanced
    • Fetch array size = 50
    • Enable Timestamp with time zone

  • Security
    • No encryption

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