SQL Debugging: Unable to start T-SQL Debugging. Could not attach to SQL Server process
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SQL Debugging: Unable to start T-SQL Debugging. Could not attach to SQL Server process

Error Message

Unable to start T-SQL Debugging. Could not attach to SQL Server process

This error occurs when the debugger cannot register the user with SQL Server 2005 for debugging. The most likely cause is the lack of necessary permissions on the SQL 2005 instance. Connecting with system administrator to SQL Server is not sufficient; the Windows login of the Visual Studio user must also be a member of the system administrator role in SQL Server.

For more information, see How to: Set SQL Server Permissions for Debugging

See Also

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