Answer Posted / muthiah nagarajan

The primary differences are...
-Exchange 2000/2003 does not have its own directory or
directory service; it uses Active Directory instead.
-Exchange 2000/2003 uses native components of Windows 2000
(namely, IIS and its SMTP, NNTP, W3SVC and other
components, Kerberos and others) for many core functions.
-SMTP is now a full peer to RPC, and is it the default
transport protocol between Exchange 2000/2003 servers.
-Exchange 2000/2003 supports Active/Active clustering and
was recently certified for Windows 2000 Datacenter/2003.
-Exchange 2000/2003 scales much higher.
-It boasts conferencing services and instant messaging.

What’s powershell, and how do you feel about it?

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