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Is there a way to re-enable windows 8 driver signature enforcement after you have disabled it? I am working with a hardware company and need to test their signed driver works. We had to disable this when we tested their unsigned driver. When you go through advanced start I can only find the option to disable it.

Thanks for any and all help.

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up vote 2 down vote accepted

It gets enabled automatically on the next reboot. No need to re-enable it.
Disabling is not permanent.

Not directly from MS, but still valuable I think:

"Since a patch for Vista RTM, the option to PERMANENTLY disabled driver signature enforcement is removed. There are tools outside to workarond it [...]"

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If your looking for something for wider deployment (assuming the signed driver works) you can look into setting up an Applocker Publisher or Hash policy to enforce/allow the use of the driver. – David V Apr 2 '14 at 16:16
Are you sure about this? And is there anything written that would prove this? I have had to uninstall the unsigned driver and reinstall it many times and I have restarted multiple times. Once a driver is accepted can it just be reinstalled without disabling again? As much of a pain as it is I need to show a client it installing the signed driver. In the end it may be easier to reformat. – David Nelson Apr 3 '14 at 16:46
I don't have proof directly from TechNet/MS, but this here should be close enough:… – MichelZ Apr 3 '14 at 16:56

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