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I upgraded the Network Card Drivers for my Domain Controller but now it is seeing the local lan as a PUBLIC network which is messing with my firewall rules.

How do I switch it back to DOMAIN?

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You can use Powershell to achieve this. First you have to list network profile

Get-NetConnectionProfile

Use interface index to change the network interface to domain.

Set-NetConnectionProfile -InterfaceIndex 7 -NetworkCategory Domain

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    I tried that, and I am getting the error: set-netconnectionprofile : Unable to set NetworkCategory to 'DomainAuthenticated'. This NetworkCategory type will be set automatically when authenticated to a domain network. – Karl Henselin Sep 26 '17 at 3:24
  • Be sure that you are using the rigth interface Index – Sam Doxy Oct 17 '17 at 14:24
  • Had the same error as @KarlHenselin. Index was right. Had to remove the server from the domain, then rejoin. – Gustav Jan 6 at 12:31
2

try

net stop nlasvc as admin

if this works, you can set this service (nlasvc) to "start delayed"

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    This is how I was able to resolve the issue on my system after a power outage made this happen on my desktop. Using the Powershell method only resulted in "Unable to set NetworkCategory to 'DomainAuthenticated'." – Ben Personick Jul 16 at 15:55

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