I'm using a GCP-VM instance with Windows Server 2019 Datacenter Edition installed normally, suddenly Windows is not activated more and i can't do it.

I tried to active windows in control panel, but i had the message below:

enter image description here

In my revenue i have a fee for windows license, so i don't know what is happening.


According to GCP documents click here and click here , you need to recheck configure routes and firewall rules in your VPC network to allow access to kms.windows.googlecloud.com (

Furthermore I attached this document click here , as I think it will be useful regarding your request and you will be able to troubleshoot the issue.

  • I use the commands cscript \windows\system32\slmgr.vbs /skms and cscript \windows\system32\slmgr.vbs /ato and it's work, thanks! – Murilo Fechio Feb 14 at 19:39

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