Exchange 2000 server: 1-2 clients receiving Outlook error “0×800CCC0F”
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whiskeyjar1975
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Exchange 2000 server: 1-2 clients receiving Outlook error "0x800CCC0F"
Tech support, Administration, Client management, Database issues, Maintenance, Exchange 2000, Networking, Outlook, Exchange
1-2 people at my company are receiving the error "0x800CCC0F" when attempting to send/receive in Outlook 2003. This has been happening approximately once a month for the past four months. I have been deleting their mailboxes and re-adding them and this always solves the problem until the next month rolls around. Since this is happening on a regular basis, I am concerned that it could be a virus? I did a virus scan on the Exchange server and found nothing, but if it is a virus residing in the MBR, I'm not sure the scanner would find it. (Running Symantec Corporate Edition 9.0).
This always happens to the same two people; no one else in the company is experiencing mail problems. Since deleting their mailboxes solves the problem, it seems that something in the mailboxes is becoming corrupted on a regular basis. Please help; I'm stumped. Thanks in advance to all who reply.
ASKED: Jan 30 2005  5:10 PM GMT
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poppaman
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Have you researched this at all on Tech Net? At the risk of duplicating information you already have, the drror code "0x800CCC0F" resolves to a dropped connection of some sort. The MS KB article here (KB 813514):

http://support.microsoft.com/default.aspx?scid=kb;en-us;813514

Are you running IIS? If so, this articlew may shed some light on what is happening (although it's my opinion that if this was the case, all of your clients would be affected...):

http://support.microsoft.com/default.aspx?scid=kb;en-us;278637

I would certainly check any desktop firewall and/or antivirus routines and uninstal/reinstall as per the KB instructions.

I do not think this is a virus. If so, either the desktop or Exchange A/V program would alert when viral activity was detected (at least it will in Symantec Corporate 8.x - I'm not sure if 9.x will still do this, but would be surprised if Symantec removed this feature...)

Check your switch and/or router as well, to see if there might be some scheduled activity causing this service disruption. Possibly, it's a flaky port (unlikely if no other program is affected, but not beyond the realm of possibility...)
Last Answered: Jan 31 2005  8:34 AM GMT by poppaman   0 pts.
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drmikec   0 pts.  |   Jan 31 2005  10:27AM GMT

Same two people + dropped connection errors? I would be suspicious of hardware - NIC, patch cable, wall module and infrastructure cabling, and switch port.

Analysis of their usage patterns may be helpful as well: streaming media + switch port limits = dropped Outlook connections?

Please update us with what you find.

-Mike

 

davesil2   0 pts.  |   Jan 31 2005  11:26AM GMT

Before deleting the mailboxes you might try to run a repair on the database. (make sure you backup first obviously).

I would analyze what the specifics of these users. Are they power users by ability? Are they remote/mobile users (ie laptops). What type of emails are they sending/recieving that could be causing this.

I’v found symantec to be lacking as far as scanning. I usually prefer mcafee. In any case not just viruses cause problems but spy/ad-ware.

Is the error seriously affecting them or is this simply an annoyance?

 

TechFerret   0 pts.  |   Jan 31 2005  4:39PM GMT

See if any of the suggestions on the following address can be of assistance.

 <a href="http://computercops.biz/postt5635.html" title="http://computercops.biz/postt5635.html" target="_blank">http://computercops.biz/postt5635.html</a>

Regards
Chris HT

 

stevesz   210 pts.  |   Jan 31 2005  11:09PM GMT

This particular error number refers to a problem with Outlook and your anti-virus software. You can confirm this by turning off the e-mail scan and see if the problem is resolved.

If it is, remove the anti-virus solution and make sure it is totally gone–registry entries, the whole works. Then either re-install the AV or try another product for a shile. NAV seems to be the biggest offender, but others can do this as well.

Steve//

 

bambooravi   0 pts.  |   Feb 1 2005  2:00AM GMT

Even I had this problem with couple of my users but that was on outlook express i upgared outlook express with the patch it started working.i do not fine any thing wrong with our maill box . please check the end users systems email client software

 

bambooravi   0 pts.  |   Feb 1 2005  2:04AM GMT

Even I had this problem with couple of my users but that was on outlook express i upgared outlook express with the patch it started working.i do not fine any thing wrong with our maill box . please check the end users systems email client software as told by steve

go ahead and do the upgrade or patch of the mail client you will slove the problem

cheers and best of luck

 

Guardian   0 pts.  |   Feb 2 2005  6:54AM GMT

Hi,
Firstly what OS are your clients(hosts) running on?Then secondly if you don’t have one already,then get Symantec Mail Security.Running SAV Corp 8.x or 9.X is not really advisable alone(also it strain the resources on the server).I would not suspect the mail database (cause any inconsistency in you MDBDATA Folder and Exchange comes down).What will the users be working on (is it mail)when the problem occurs or (whilst they are running other apps)?Most users have their mail books open all the time.I have SAV 8.X on the server with Symantec Mail Security,whilst on the desktop i have them running SAV 8.x client and AVG Free 7 (you can get it for free at <a href="http://www.grisoft.com" title="http://www.grisoft. " target="_blank">www.grisoft.com</a>)that will scan the MBR and DBR (also always backup you MBR and DBR for each workstation even you servers).Some apps (attachments)might request more resources which other applications are using (they might be trying to open the same e-mail or attachment)Check in your IIS if there are any folders with error appearing (Default web site)
I don’t know if that helps your troubleshooting

Newton
Playtime Manufacturers P/L
Harare,Zimbabwe

 
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