Make sure what server they have, because Win95 is not a server , and NT 4.0 depends if it is a Workstation or Server (check it). If win NT is a 4.0 Server version then it can be upgraded to win2000 server , all the others, must be clean installed, not upgraded. Novell is not upgradable to Microsoft Products.
IF your planning to upgrade the workstations OS's(using windows 95) the you need to clean install windows 2000 professional (not the server ). A+, MCP, CCNA
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