Outlook 2003 emails not showing when Offline

10-user SBS-2003 based LAN. Any time the Exchange server goes offline (server being re-booted, shut down for maintenance, etc), all users are able to open Outlook 2003 ok & view all their existing emails (although not obviously send & receive new ones) except for one user who can open Outlook, but no emails are visible: all he sees is the folder names but they all appear empty. Have been through all Outlook settings and compared with users who are not affected by this and can't see any differences. Tried Cached Exchange Mode on & off, Tried ticking & unticking various boxes in Data File settings : No good. Data file for this & other users is set to normal default c:\documents & settings\..........username.pst
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R. Andrew KoffronCommented:
completely delete their outlook profile, and make sure to use cached mode when setting it up again.

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Radhakrishnan RSenior Technical LeadCommented:
Nick RhodeIT DirectorCommented:
Sounds like they are just not using outlook with exchange cached mode.

Check to make sure its enabled:  http://support.microsoft.com/kb/870926
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