Event Message:

Netlogon has detected two machine accounts for server "computer name ". The server can be either a Windows 2000 Server that is a member of the domain or the server can be a LAN Manager server with an account in the SERVERS global group. It cannot be both.

Source Event Log Event ID Event Type
NetLogon System 5738 Error

User Action:

Either remove the indicated server from the SERVERS global group or use Server Manager to remove the computer from the domain.