SBS 2003: WMI reports error, Exchange crashes.

Hi Experts!!

Since a month ago, I keep getting this email message from my MS SBS 2003 server w/exchange:

Subject: Critical State SERVER1 - Error on SERVER1

SERVER1 has reported a Error.  Reported status is:
Queues - Unknown
Drives - Error
Services - Error
Memory - Unknown
CPU - Unknown

After this email is generated, Exchange crashes and nobody can check email or connect to Exchange.

I have had some HD space problems in the past, but I moved the Exchange DB and Logs to my D: Partition which still has 150GB free. However C: has about 1GB Free, but I think this should not be a problem since everything is located in D:

After a reboot, all clients can connect again. I am also running Blackberry Software on this same server. Everything had worked great for a year, until one month ago.

Any inputs will be greatly appreciated!

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do you have any errors in the event log application / system?
glopezzAuthor Commented:

I have some errors but they are SQL related or seem not relevant. However I found this one:

The application-specific permission settings do not grant Local Activation permission for the COM Server application with CLSID
 to the user NT AUTHORITY\NETWORK SERVICE SID (S-1-5-20).  This security permission can be modified using the Component Services administrative tool.

Could this be the problem?

as I see it this is a permission problem, found several  articles which describes the problem and a KB from microsoft which describes and gives a solution for the problem but they say it applies to win xp, anyway here are the links:

search for the errors described in the articles, see if you have them in your  the event log.
also on your C drive you have too less free space, in my opinion you should free at least 2 GB.
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glopezzAuthor Commented:
Thanks.I followed the articles and found this to be an IIS related issue.

I have expanded my disk so it now has 136 free GB, and the WMI is not sending the mail anymore, however Exchange is crashing every other day around 5AM.

Check for errors in exchange application log, or do you have any dumps on the system, you can also monitor your services

Also try to do a more complex troubleshooting, run the exchange BPA, here are some links for troubleshooting exchange:

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exchange troubleshooting assistant is the tool:
glopezzAuthor Commented:
I installed the BPA and followed all the recommendations. The server is no longer crashing every morning. Thanks a lot!
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