Not able to active the Windows 10 1909 base image.
Allowing communication to the following locations (extracted from the required ports and URLs guide)
Online activation fails/failed.
Content Analysis 3.1
W10 Activation is not receiving a response due to inability to communicate to v2 servers
Whitelist activation domain: activation-v2.sls.microsoft.com (Port 443)
Offline activation through Microsoft.
Activation domain was not present in the required ports, protocols and urls documentation, as of December 29th, 2020. We will adjust documentation of required ports and urls to include this domain.