I run both successfully.
NT 4.0 SP2 is a little tricky, but runs fine. If you run any virus protection software on the server you will want to get the Post
SP2 Kernel hotfix from the FTP site ftp://ftp.microsoft.com.
There have been several users who had problems installing NT 4.0 SP2. Without much correlation, installing from the CD has been
safer than installing from a network share. Installing from a system already at SP1 has been safer than installing to raw NT 4.0.
Our local record is 7-2 in favor of no problems.
Exchange SP3 has been much easier. It does require Exchange SP2 though.
Simpler-Webb, Inc. Austin, TX 512-322-0071
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