Master PC
The Master PC is the computer that controls central settings for your network. If several computers or Nets exist, the Master PC is the reference point for shared configuration.
How do I know which computer is the Master PC?
Open your network overview in the UCP. The Master PC is marked there.
How can I change or set the Master PC?
If you need to change the Master PC and cannot do it yourself in the UCP, contact support and include the affected network and the desired computer.