Requesting data from exchange server

I have a 2 year old Small Business Server 2003. It has been running great. Within the last few weeks I have a few users getting a "Requesting data from Exchange Server" message that appears to hang their system. Any Ideas?
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Take a look at the size of the Exchange database.  Even if it is under the maximum size, it could be dirty.  Try an offline defrag of the database.
Andrew DavisManagerCommented:
This will happen if the SBS machine cannot process the request quick enough. Have a look at the server usage. the size of mailbox's Whether you have antivirus on the server that is checking the exchange and bogging it down.

Have a look at
Ron MalmsteadInformation Services ManagerCommented:
I would start by looking at task manager to see if any processes are pegging the CPU or hogging memory.  If this tends to happen at a specific time of the day....there may be some process scheduled to run during that a virus scan, or backup job, or other.

Anti-virus is always a suspect.  You should have the database files excluded from scanning....but leave smtp scanning inbound/outbound on.
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Malli BoppeCommented:
I think you server is getting hammered.Do a perfmon and analyse the logs.
also you might try this
Andrew DavisManagerCommented:
as the requester never provided any feedback, i believe it is likly that one of the above resolved (or at least helped). All the answers are good and are valid. Therefore i would recommend a points split rather than a delete.
bmoore2152Author Commented:
Sorry for the extreme delay in following up. I did an offline defrag and it seemed to fix the problem. I did experience the same problem 2 weeks later and it was a situation where store.exe grew to a huge size. I stopped it and restarted it and we seem to be running fine now.

Thanks to all for the help. I was going crazy with this one.
Andrew DavisManagerCommented:
Glad to here it got resolved for you.
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