A connection was successfully established with the server, but then an error occurred during the login process. (Error Number: 233)

Question

I am having error while connecting to SQL Server:

Details in Stack Trace are:

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Cannot connect to ServerN         


        

Answer 1

For SQL2008,

• open Management Studio
• Rt click on instance
• go to properties
• select Security
• Under Server Authentication, check SQL Server and Windows Authentication Mode
• hit OK

Restart the server using configuration manager.