Windows Server 2019 VPN Error 8007042a – Fix After KB4480116 Update

windows-server-2019

I am running Windows Server 2019 datacenter with router and remote access for VPN access. Everything was working fine until I installed the January 8, 2019 update: https://support.microsoft.com/en-us/help/4480116

After the update, I was unable to start the routing and remote access service and got the following error:

VPN Error

I can confirm that after I uninstalled the update, the service was able to start. Anyone else having this problem?

Best Answer

I found temporary solution. NPS service (Network Policy Server) blocks starting RRAS. If you stop NPS, you can start RRAS and after that you can start NPS. If you don't use NPS you can probably disable it. I've changed service settings to start RRAS Automatic and NPS Automatic (Delayed start), but I can't test it now on production server. At least you can start it manually if you are in local network and you don't have to reinstall RRAS to get it work. It was big mistake to install 2019 to the small company. It's the only server so there isn't any older Windows Server.

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