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Home/ Questions/Q 8746037
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Editorial Team
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Editorial Team
Asked: June 13, 20262026-06-13T12:07:56+00:00 2026-06-13T12:07:56+00:00

I unknowingly deleted SA user from the SQL Server 2012. Now i cannot be

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I unknowingly deleted SA user from the SQL Server 2012. Now i cannot be able to connect to the sever. It shows an error :

Cannot open user database. Login failed. Login failed for the user ‘username’.(Microsoft SQL Server, Error: 4064)

Now i don’t know what to do?

Help me please

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  1. Editorial Team
    Editorial Team
    2026-06-13T12:07:57+00:00Added an answer on June 13, 2026 at 12:07 pm

    When ever get this error,we have to create a new user with server authentication to connect the data base

    We can create login for data base under security tab–>create new login under it

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