Performance degradation MS Outlook

majc79
majc79 used Ask the Experts™
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I'm a junior administrator and the network has approximately 250 users.  I know that the mail server is running Exchange 2003 and the majority of the users are either running XP or 2000 with MS office 2003.  Outlook 2003 works fine in these environments, but it seems to be a half dozen users running MS Outlook 2007 operating Windows 7 who experience slowness with mail.  For example, one user has to wait at least 20 minutes for 30 MB of messages to come through, and messages from the previous day are still coming in?  Is there a configuration that can be made within Windows 7 and MS 2007 or is this on the network.
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Commented:
There shouldn't be any difference thats a configurable item to cause you performance issues between 2003/2007. Only thing I can think of, is that maybe 2007 has the instant search on? Doing excessive indexing?

Is cached Exchange mode enabled? System specs relatively similar?

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Commented:
Cached exchange mode is necessary for users to work offline.
Most Valuable Expert 2011
Top Expert 2011
Commented:
Correct, wasnt sure if that was a requirement of yours.....

Remember OST files get corrupted often. Might be worth killing a few to see if it improves.... They will rebuild ok....

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Commented:
Informative thank you!

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