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Windows 7 Thread, GPCore failure in Technical; I've a single suite of PCs in a 700 machine network that will not correctly get GP updates. Running an ...
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    GPCore failure

    I've a single suite of PCs in a 700 machine network that will not correctly get GP updates. Running an RSOP tells me computer policy has failed due to a GP Core failure.

    The machines are set to DHCP, as are all the student computer suites, yet no matter what I do I can't seem to get past this issue.

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    Had this on random machines. ipconfig /flushdns & ipconfig /registerdns has worked in the past as has removing from the domain and adding it back in.

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    We've tried that with no success

    We've also tried removing the policy entries from the registry and the group policy folder from the widows directory - again without luck

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    Anything reported in the Server event logs - Event ID 1106? Check the local host file on the failing machine.

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    Just had a laptop with the GP Core failure problem. Did all the usual without success:

    Removed from Domain / Added back onto domain
    Flush DNS - Register DNS
    Checked Host file

    None of which worked - then proceeded with the following:
    Ran CCleaner
    Disabled IPV6
    Updated drivers on the network cards
    Disabled DHCP Media Sense
    netsh interface ipv4 set global dhcpmediasense=disabled
    netsh interface ipv6 set global dhcpmediasense=disabled

    Rebooted and GP Core Failure resolved.

    I suspect the DHCP Media Sense disable did the tick, but will test that theory next time I get the GP Core Failure message.

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