Saw this morning...
--Microsoft Lists Windows Server 2003 SP1 Application Compatibility Problems (20 April 2005) Microsoft has acknowledged that Windows Server 2003 Service Pack 1 breaks a number of applications, including Exchange Server 2003 and Systems Management Server 2003. Information on SP1 application compatibility is available on Microsoft's support site.
http://www.techweb.com/wire/software/160911549
http://support.microsoft.com/Default.aspx?scid=kb;en-us;896367&spid=3198
Guess I'll wait
John Postlewait
IS Department
George Butler Associates, Inc.