Exchange on SBS 2003 no longer delivers to client mailboxes

Hello,

After installing the last security update yesterday, our exchange server no longer delivers incoming POP3 mails (through the POP3 connector) to the exchange mailboxes.
The mails are being downloaded from the POP3 mailboxes, but when connecting with outlook to exchange, no mails appear....
We don't receive an error message, everything seems to be working fine, but no mails....

SMTP is working fine

Help please??

Thanks
Best regards
Steve
BDIEXPERTSAsked:
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Computer101Connect With a Mentor Commented:
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Computer101
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ikm7176Commented:
Can you see the new mails using Outlook Web Access?

Also, read the link below
http://support.microsoft.com/kb/885685
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BDIEXPERTSAuthor Commented:
Hello,

No, also in the Web access they don't appear

Best Regards
Steve
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ikm7176Commented:
Did you tried to resolve the issue by reading the link i posted above ?
I hope it will solve your problem

Cheers!
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BDIEXPERTSAuthor Commented:
Hello,

I tried everystep in that link. The strange thing is that there aren't any e-mails in the folders described in the link.

Also I found this application event error:

Event Type:      Error
Event Source:      MSExchangeSA
Event Category:      Monitoring
Event ID:      1005
Date:            20/11/2006
Time:            18:08:28
User:            N/A
Computer:      BDI-W2K3-SBS
Description:
Unexpected error <<0xc1050000 - Network problems are preventing connection to the Microsoft Exchange Server computer. An unexpected, unknown error has occurred. Microsoft Exchange Server Information Store ID no: 80040115-0514-00000006>> occurred.

For more information, click http://www.microsoft.com/contentredirect.asp.

Best regards,

Steve
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ikm7176Commented:
I feel there is a Network problem with your server.
Unexpected network problem - no interface.

Try stopping your exchange AV software, if any, and check.

Few links to help troubleshooting this issues
http://www.webservertalk.com/message153294.html
http://www.eggheadcafe.com/forumarchives/Exchangeadmin/Jan2006/post25861099.
asp


Hope this helps
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BDIEXPERTSAuthor Commented:
I fixed the problem by installingen following hotfix:

http://support.microsoft.com/?kbid=924334

Best regards,

Steve
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