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Old 08-25-2004, 05:02 PM   #1 (permalink)
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Default H E L P *CalHelper.exe takes up ~100% CPU on my BES server

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I hope this is the correct spot for this topic.

My BlackBerry server is intermittently dying because the CalHelper.exe application starts taking up the majority of my servers CPU cycles which causes everything to hang. Has anyone else encountered the same problems? Any know fixes? I inherited this BES server and I'm not a 100% sure if it's got the latest service pack.

thanks.
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Old 08-25-2004, 05:03 PM   #2 (permalink)
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Moved you into the correct section ;)

Has calhelper.exe been reinstalled at all?
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Old 08-25-2004, 05:20 PM   #3 (permalink)
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What is the CDO.dll version on your BES and Exchange server?
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Old 11-30-2004, 09:54 AM   #4 (permalink)
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Old 11-30-2004, 10:02 AM   #5 (permalink)
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Old 11-30-2004, 12:32 PM   #6 (permalink)
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Old 08-26-2005, 08:55 AM   #7 (permalink)
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Has anyone found a fix for this?
I just added 5 licenses to my BES server (went from 15 to 20), and right after that the machine is slow as heck.
Checked the processes, and the CPU is at 100%, and have two instances of calhelper running.
When I shutdown one, everything goes back to normal, but only for a short while.

Thanks,
Tex
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Old 09-01-2005, 01:40 PM   #8 (permalink)
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It could be related to CDO or MAPI version on the box. Verify you have the latest versions.

Otherwise, check the debug log files for any CDO exceptions. Sometimes I have seen one user start flipping out due to a corrupt mailbox or calendar. Identify the user and see if you can fix their mailbox.

If everything looks clean I believe you can take a userdump of the spiking calhelper.exe process and escalate it to RIM for analysis.

Userdump is available here:

http://download.microsoft.com/downlo...US/Oem3sr2.zip
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Old 09-01-2005, 02:44 PM   #9 (permalink)
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It is probably CDO.dll issues. The CDO.dll on the BES and exchange servers should be the same version. Once you get them the same version. I would restart BES and see what happens.
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Old 02-15-2006, 06:34 AM   #10 (permalink)
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Default Calhelper 100%

Hey,

I have just fixed this problem on our BES.

We are running BES4 SP3 on Windows 2000 Server SP4

1 user had some mad problems:

Duplicates in Outlook Calendar
Appointments deleting by themselves
Appointments shown as Tentative or Not Responded when accepted on BBY.

Plus a whole range of other rubbish.

Calhelper.exe was running at 97-100% and BESAlert at 62-70%.

The troublesome user switched his Blackberry off... and calhelper.exe dropped to 0% !

So - that pointed me to think that his BBY calendar was possibly corrupt.

ANYWAY - this is what fixed it:

Installed Hotfix 1, 2, 3 and 4 for BES4 SP3 from the Blackberry download site.

Killed the user on BES - Deleted and Removed ALL data.
Killed Handset.
Blew away Outlook profile on Local Machine.

Instantly Calhelper dropped to 0% + BESAlert disappeared from TaskManager

Rebooted BES - let it run for 24 hours.

ALL the stupid Warnings and Errors in event viewer had gone and the last instance was the exact time that I removed that user.

Reconfigured user on BES - Set up Outlook - resynch'd BBY.

Problem solved: Corrupt user was killing the entire BES Server.

Hope this helps anyone/everyone !

meatologist
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Old 03-16-2006, 10:29 AM   #11 (permalink)
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Just to let you know that you only needed to install Hotfix 4 as the hotifx's for BES are cumulative
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Old 09-15-2006, 01:29 PM   #12 (permalink)
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with over 100 users, how am i to determine the user that is causing calhelper.exe to max out the CPU.?
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Old 10-18-2006, 02:37 PM   #13 (permalink)
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I am running into this issue now also.
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Old 10-18-2006, 11:01 PM   #14 (permalink)
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Install latest SP. Install all HFs. Reboot. Voila.
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Old 10-19-2006, 08:54 AM   #15 (permalink)
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My CDO.dll is different on the BES than on the Exchange servers, can I just copy the Exchange CDO file and use it to replace the older one on the BES?
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Old 10-26-2006, 02:44 PM   #16 (permalink)
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Quote:
Originally Posted by halflife78
My CDO.dll is different on the BES than on the Exchange servers, can I just copy the Exchange CDO file and use it to replace the older one on the BES?

NO!

Go read Blackberry Support article KB-02937. It will tell you what versions you need, where to get them and how to register them.
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Old 10-26-2006, 07:42 PM   #17 (permalink)
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well, THAT support article doesn't come up. wrong number. but i know what D R T was trying to say with
"NO!"
So many threads on here about something so simple. the question is what bleeping mapi32.dll and cdo.dll files to have on your BES server. Older, same or newer version.
I received a message from the owner/moderators or whatever of this website regarding a FAQ site. that was a great idea! but i logged onto the thing and it wasn't what i thought a FAQ site should be. QUESTIONS like THIS is what the faq site should contain, along with definitive answers from the experts, held up by the majority of other admins agreeing to the verdict. all i saw there was fluff and simple answers. disapointing.
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