Why is my service account displaying a connection using the server IP?

  • Hello All.

    I have a 2 node SQL Server 2012 cluster running with no issues.

    I have been tasked by management (don't ask me why) to answer why on only this cluster the SQL service account looks as follows in the server logs:

    Login succeeded for user 'DOMAIN\SQLserviceaccount'. Connection made using Windows authentication. [CLIENT: XXX.XXX.XXX.XXX]  (this of course represents the server node's IP address).

    All other servers across the environment report the same info as follows:

    Login succeeded for user 'DOMAIN\SQLserviceaccount'. Connection made using Windows authentication. [CLIENT: Localhost]

    So they all show the connection as Localhost instead of the server's IP address.

    Any thoughts?

    Can this server be somehow changed to report the connection as Localhost instead?

    Thanks in advance for any suggestions!

     

  • possibly because it is a cluster and it has its own IP - which will be different from the local host (cluster node)

  • only TCP/IP active ? ( Check SQL Server 20** Configuration Manager / Network Configuration )

    2021-03-31 11_39_34-Window

    Johan

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  • Appreciate the ideas - I will investigate them both!

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