SQL Server login failed for user and all user accounts seem to be disabled

The question:

When I tray to login to SQL Server, all users are disabled and fail with error 18470. Even Windows Authentication.

Login failed for user ‘NT ServiceSSISScaleOutMaster150’. Reason:
Could not find a login matching the name provided. [CLIENT: local machine]

The Solutions:

Below are the methods you can try. The first solution is probably the best. Try others if the first one doesn’t work. Senior developers aren’t just copying/pasting – they read the methods carefully & apply them wisely to each case.

Method 1

Reason: Windows Administrator Account was Disabled!.
SQL Server login failed for user and all user accounts seem to be disabled


All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0

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