Windows Enterprise edition can support upto 8 cluster Node.
Windows Server 2003, Data center Edition
Windows Server 2003, Web Edition
16 nodes
32 nodes
Windows 2003 Standard Edition windows 2003 Enterprise Edition Windows 2003 Data Center Edition windows 2003 Web Edition
SP1 is available for any edition of Windows 7.
windows 2000 Professional windows 2000 sever windows 2000 standard edition windows 2000 home edition
Windows Millenium Edition
Windows 2000 will not be supported by Microsoft after next year, so you need to start moving off it. You can use either version of Exchange on Windows 2000 with SP3 or later. If you are going to cluster it then both Windows and Exchange need to be Enterprise Edition. Also Exchange Enterprise Edition supports more databases and greater storage limits than Standard Edition. Answer:You can use exchange server 2003 with windows server 2000. or you can upgrade windows server 2003 and use exchange server.
Windows XP Professional x64 Edition
Windows 98 second edition
Windows XP Black Edition is an illegal modification of Windows XP distributed on many warez sites.