This Terminal Services license server could not notify other Terminal Services license servers that new Terminal Services ...

This Terminal Services license server could not notify other Terminal Services license servers that new Terminal Services client access licenses (TS CALs) have been installed and added to its licensing database. If the problem persists, free up available memory if memory is low on the Terminal Services license server, and identify and resolve any network connectivity issues, specifically with firewall configuration. Problems with remote procedure calls (RPCs) might also cause this issue.