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How to add a new SQL Server 2005 instance and keep the same cluster IP

  • December 9, 2008 at 2:24 pm

    #202746

    I need to create a 3rd SQL Server instance on a failover cluster, but need to be able to use the same IP addresses of the original cluster. The application vendor created the 2nd instance a while back and managed to use the same set of IPs so I know it can be done, I just can't get past the IP setup in the install wizard. If I skip the cluster setup, can I manually create it after the instance has been created, then point to the preexisting addresses? This is for SQL Server 2005 SP1 on Windows 2003. Thanks.

  • January 8, 2009 at 7:35 am

    #923310

    Is the existing cluster group IP Address in the same subnet as the cluster IP address in the new cluster? If it's not, then it won't work.

    You can test this by creating your new cluster group and adding a new IP Address cluster resource with the desired IP. Also, ensure that the IP is not in use on the old cluster.

    --
    Andrew Hatfield

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