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My name is Muthukkumaran Kaliyamoorthy and I am living in India (Chennai). I’m currently working as a SQL server DBA in one of the top MNC. I’m passionate about SQL Server, and I’m specialized in Administration and Performance tuning.

Login failed for [SQLSTATE 28000] (Error 18456) the step failed

Login failed for [SQLSTATE 28000] (Error 18456) the step failed


When you query the data from another SQL server (Linked server) and SQL server & agent service is run as a domain user. You may get the error following error message in your job history.


Executed as user: Domain\XXX.Service. Login failed for user ‘ SSBF\SQL.Service ‘. [SQLSTATE 28000] (Error 18456).  The step failed.


Step 1: Check the source SQL server agent logon service account name

All programs –> SQL server 2008 –> Configuration Tools –> SQL server configuration manager. Go to the SQL server agent  –> properties –> Check the logon tab and find the account name.

Step 2: Check the same is available in the target SQL server.

Under the security tab –>logins.  If it’s not available add the domain user with necessary permission on your target machine.

I hope this will help someone.


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