Windows Update RPC error

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  • March 6, 2018 at 9:38 am #8856
    ohlssrog
    Participant

    Cant check available updates on our windows 20212 R2 servers, get

    Windows Update: Error 1601: Failed to retrieve WMI info. The RPC server is unavailable

    This works fine on our Windows 2008 R2 servers, they have same firewall policy. Is where some new ports that have to be open for 2012 R2 servers?

    March 6, 2018 at 5:01 pm #10181
    doug
    Moderator

    Windows 2012 R2 does *not* have special/different port requirements as compared to other versions of Windows. Possible causes for ‘RPC server is unavailable’ are outlined here: Troubleshooting Common Errors in BatchPatch

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