When you try to connect to a Windows 2000 Terminal Services computer, in either a Windows NT 4.0 domain or a Windows 2000, domain, you receive:
The system cannot log you on (573). Please try again or consult your system administrator.
If Terminal Services is installed on a computer that is running a NFR (Not For Resale) version of Windows 2000, it is limited to 10 simultaneous connections.
NOTE: The same problem will happen if you used a NFR created boot disk.
The only solution is to perform and Upgrade install of Windows 2000 from a Full Retail media.
To see if an NFR copy of Windows 2000 Server or Windows 2000 Advanced Server is installed:
1. Right-click My Computer and press Properties.
2. If the first 5 digits of the Product ID are:
51883 - you have an NFR version of Windows 2000 Server.
51882 - you have an NFR version of Windows 2000 Advanced Server.
NOTE: If you have improperly configured your licenses in License Manager, you could also experience this problem.
