http://blogs.technet.com/dst2007/archive/2007/03/01/are-there-options-for-nt4-and-exchange-5-5.aspxQ: I have a client that is believe it or not still using NT4 and exchange 5.5 and of course refuses to migrate to current technology. Besides all manual time adjustments are there any options for this unsupported technology they refuse to leave? A: Windowsen-USCommunityServer 2.1 SP1 (Build: 61025.2)