Hello,
In per device licensing schemes, the most common reasons for this message include:
• The remote desktop license service is not running.
• License properties are not configured correctly.
• The RD session host server cannot connect to the RD license server.
According to the uploaded image, your RD license configuration is normal, please further check the following configuration:
• Check the RD licensing service.
If the remote desktop license service is not running, the RD license server cannot retrieve the client license.
You can manage Services locally or remotely using the service MMC snap-in (services.msc, also found on the Tools menu in Server Manager).
Check the status of the Remote Desktop Licensing service. If the service is not running, start it.
• Check the blocked port (typically TCP 3389) between remote desktop service servers.
Please refer to this article for more information:
Best regards
Jacen
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