We have a Virtual Server with Server 2012 Standard Evaluation with exchange server production, This Server is also a FS and Domain Controller.
I tried to activate this server with our purchased open VL serial number but I getting this error (Attached Print Screen).
I have 30 days for this evaluation server.
our main issue is that we have production exchange server installed on the server, and the server is not activate ! demote the server is not an option, any other ideas how to activate the server without reinstall it?