Created a new domain user by copying an existing administrator profile. Logged in on a workstation being used by the original administrator account. Windows 10 easily detects and configures 2 monitors. Switch user profile to the new profile that was copied and it will only detect a single monitor - this is on the same workstation. When you toggle between the 2 users the original administrator profile sees 2 monitors and the copied profile sees only 1 and will not detect a 2nd monitor at all. This is a Server 2012 Essentials environment and domain.