Batchpatch Thru NAT

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  • This topic has 3 replies, 2 voices, and was last updated 1 week, 3 days ago by chienchan0611.
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  • January 20, 2026 at 10:52 am #14464
    chienchan0611
    Participant

    Hello,

    Hope anyone could help. I’m currently having issue on updating windows patch on a machine that is communicated thru NAT.

    The NAT IP is reachable but whenever I run update, it fails stating RPC server unavailable.
    I checked on the WMI and RPC and they are running. To isolate the issue, we turned off the OS firewall policy is set to any any.

    Anyone here have experienced this issue.

    January 20, 2026 at 10:53 am #14465
    chienchan0611
    Participant

    I mean OS firewall is off and the firewall is already set to any any

    January 20, 2026 at 1:57 pm #14466
    doug
    Moderator

    In general, to penetrate a NAT you need a VPN or similar. In order to patch the target computer, the target computer needs to appear to the BatchPatch computer as if it’s on the same LAN. A VPN can accomplish this.

    January 21, 2026 at 3:07 am #14469
    chienchan0611
    Participant

    Are there other alternative for this?

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