Error Message:

Demoting computer name to Backup Domain Controller may take a few minutes. Demoting computer name will also close client connections to computer name. Press 'Help' for details if computer name is a Remote Access server. Do you want to make the change?

Explanation:

This message is intended to verify your decision to demote the specified server from the role of primary domain controller.

User Action:

If you want to continue with the demotion, click Yes. If not, click No.