Meetings are unexpectedly moved one hour ahead in the last week of October 2006 in Exchange Server 2003
Really? Meetings are suddenly moved? The culprit here is again, as I mentioned in a previous post, is the time zone settings.
Surprisingly enough, the fix for this is still not public, and can only be obtained from Microsoft PSS, albeit for free. Also, it seems that Microsoft is no longer writing fixes for Exchange 2003 SP1 and RTM but still writing crucial fixes for Exchange 5.5.
More information here: