We have 4 domain controllers. Three are running on hyper-v virtual machines and one is physical. I want to get rid of the physical AD server, but keep getting a file replication error on it. This one server is the only one with this error and it is the only service getting an error on the machine. The event viewer id numbers for the error are 13552 and 13555. Since I want to get rid of this server any way, can I just demote it, remove AD, then shut it down or do I need to resolve the file replication issue first?