DHCP Failing – Error 5: Access is denied starting Diagnostics Policy Service

If the DHCP stops working on your machine, this might be due to the Diagnostics Policy Service not running. If you try and start it manually you get the following error “Error 5: Access is denied ”
To fix this is simple if you know how. Run the following command from an elevated command prompt

net localgroup administrators localservice /add
net localgroup administrators networkservice /add

Then reboot and you should have DHCP back and running

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1 Comment

  1. Thank you SO much!

    Have read so many websites and have finally tried registry entries permissions dhcp/tcip
    but that did not help.
    ASUS laptop from my neighbour now online via wlan again!

    THANK YOU!!!

    Martin, Berlin, Germany

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