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Exchange 2003 SP2 stops working

Hello Experts,
I help a small non-profit organization with their IT-issues, they have a Windows 2003 Server Enterprise SP2 with DC, Exchange 2003 SP2, Mail Security and Corporate Symantec AV running.
The server is an old PE R700 dual-P4 2.8GHz processor with 3Gb of Ram.

For some reason their Exchange server stops working every 2-3 days and the only way to get it running is to restart the server; sometimes some Exchange services don't start on the reboot and I have to start them manually.
I am not on site and many times I am busy at my "full-time" job and cannot investigate when the exchange is down but rather at night (after hours). the problem is that the logs don't have any errors recorded.
My question is: what will be the best way to fix the problem remotely? or do I need to reinstall Exchange?

Keep in mind this is a non-profit org, so funds are limited.

Thank you for your help!
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Newco
Asked:
Newco
1 Solution
 
Alan HardistyCo-OwnerCommented:
How big is their information store and how big is the registry key set to up to the 75gb maximum?  It could be they have hit the current store limit (18gb) and you need to tweak the registry, or increase the registry key:

http://support.microsoft.com/kb/912375

Alan
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NewcoAuthor Commented:
Alan,
The mailbox store is only 6Gb and the public is 1Gb; this is an 8-user organization and I have them on a 2-month archiving plan.
The settings are set to 75Gb.

Thank you!
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Viral RathodConsultantCommented:
>Please check Exchange Database size limit suggested by alanhardisty and also make sure DNS server is working fine and Exchange Database has been excluded from Antivirus software.
>Check Event Id 1216 for Exchange Database Size and Event Id 9688 / 9690 will record if you have  exceeded the Database limit

Hope this helps.
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tmoore1962Commented:
How much Ram do they have, Have you checked the smtp queues to make sure you're not getting deluged with outside mail??  I had a customer with similar symptom and the cause was the smtp queue growing to large for the server to keep up.
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NewcoAuthor Commented:
3Gb RAM (3x1Gb) sticks; queue is almost empty (8 messages since 8am).
Thanks
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Alan HardistyCo-OwnerCommented:
I would simply re-install Exchange 2003 SP2 - no need to uninstall it - just download it and reinstall it and then see how it behaves afterwards.

Alan
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NewcoAuthor Commented:
@alan,
reinstalling SP2 did not fix the issue, but I noticed something today: the server was again non-responsive and checked the logs, there were a ton of 'AvtiveSync' errors.
I removed the account from the mobile device and now is working - did not have to restart the server.
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Alan HardistyCo-OwnerCommented:
Was it an iPhone that you removed the account from?  If so - what OS is on the phone?  iOS 4.0 had a problem with Exchange and any newer version of the OS doesn't have the problem.
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NewcoAuthor Commented:
No, it's an HTC droid.
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NewcoAuthor Commented:
It turns out Droid HTC's ActiveSync was causing the problem; I asked the user to remove the account and we have not had problems for the last few days.
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