We recently upgraded to Exchange Server 2007 and have experienced some problems with it that may be primarily caused by hardware issues. It appears that the Information Store and the System Attendant services fail and then will not restart automatically or manually. When these services failed to restart, my first inclination was to think that the database that is used for storing e-mails had been corrupted.
It turns out that the real culprit is that the server’s time was 40 minutes behind the time that was displayed on client machines. This sort of disparity is not allowed and results in the Exchange Server services not starting. The error messages that Exchange displayed were not that helpful. Setting the time correctly fixed the problem and the services started immediately. I am adding this blog entry, just in case someone else runs into this problem and finds this simple solution through a search engine.
I think that the problem lies with a faulty server that has timing issues. We will have to look into it.
Robert Alonso
Alonso Consulting, Inc.

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