Upgrading from Windows NT 4
When upgrading servers that run Windows NT 4, review the system hardware, network services, and application software on the server. You must verify that the hardware will run Windows Server 2003, determine which Windows Server 2003 product is needed, and identify the required network services. You also must check for configuration issues, such as whether the Windows NT 4 server is using a fault-tolerant drive configuration.
Determine Server Hardware Compatibility
When preparing to upgrade servers running Windows NT 4, you might find server hardware that is incompatible and/or that would provide marginal performance for running Windows Server 2003. This is because the requirements to operate Windows NT 4 (486/33, 16 MB ...