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

Turn out to be some SQL service was stopped somehow on server. Restarting SQL Server service manually was the solution.

I know this is foolish but worked anyway. Thanks @PareshJ for the useful comment.