DNS Client service enabled and started
Working on https://support.real-time.com/support/Ticket/Display.html?id=70472 and I could not get PC139 to register with AD DNS and got an error message
The RPC server is unavailable
when running ipconfig /registerdns
Similar problem listed here
The DNS Client serverice was disable and not started.
Enabled the DNS Client service and started it and now "ipconfig /registerdns" works.
Task to enable and start DNS Client service on all Windows workstations.