License activation fails on the virtual server created from Windows Server Official Image Template.
There is a possibility that connectivity to the license server provided by NTT Com may not be established.
Follow the steps below to ensure connectivity to the license server.
In order to implement OS license authentication, a common function gateway is required. When using Windows Server, please make sure to apply common function gateway.
Also, if the common function gateway is removed, OS license authentication will be lost. Therefore, please be careful not to remove the common function gateway from the Windows Server that you are using.