The Remote Desktop Services client access licenses (RDS CALs) on the source Remote Desktop license server %1!s! could not ...

The Remote Desktop Services client access licenses (RDS CALs) on the source Remote Desktop license server %1!s! could not be removed during the migration. Use WMI to manually delete the RDS CALs from %1!s! or ensure that %1!s! is no longer used as a license server with the same RDS CALs that were migrated.