SQL Server Error: 18456 Severity: 14 State: 12 Connection Error
SQL Server Error: 18456 Severity: 14 State: 12 Connection Error
Unable to Connect to SQL Server Due to Error: 18456, Severity: 14, State: 12
Details:
SQL Server Error: 18456 Severity: 14 State: 12 or Error: 18456, Severity: 14, State: 12 Login failed for user ‘Username’ issue is caused by permissions issue. The following error appears in the SQL Server log:
Login failed for user 'Username'. Reason: Login-based server access validation failed with an infrastructure error. Check for previous errors. [Client: 10.0.0.1]
Error: 18456, Severity: 14, State: 12
Cause:
Error: 18456, Severity: 14, State: 12 means that the authentication is successful to the SQL Server but the server access fails due … Read the rest