Outlook 2010 32bit, Office Communicator 2007 R2 32bit client and Office Communicator 2007 Server cau

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Timothy Hays

We are having problems with a particular group of users spiking the CPU. Our configuration is as follows:

1 - Ms Office Communicator 2007 Server (32bit)
3 - Terminal Servers running Windows Server 2003 R2 (64bit)

Each Terminal server is running Office 2010 Standard (32bit) and with Communicator 2007 R2 (32bit) client. We noticed that users are intermittantly spiking the CPU. The spike is 5% - 10% per user on average. Every so often a user will spike it 10% to 15%.

We found that if we go into the Communicator Client settings in Tools -> Options -> Personal and change the " Personal Information Manager" to " None" , they don't spike. Problem is, if we do that then the conversation history isn't saved and this is required.

I have searched this forum and the Internet and I cannot find anyone else with a similar issue. any ideas what may be causing this or how to fix it?
Tim Hays
 
A

Abdias Ruiz

Hi Tim,

Do these users have Cached Exchange Mode enabled? If that is the case, then the location of the OST file may be coming into play. If the OST file is on a remote location, performance will be impacted. Outlook and other applications integrated with it will be accessing the OST to read/write from it. If the OST is stored locally on the Terminal Server, then check to ensure that OST files are excluded from antivirus scans. The size of the OST will also come into play.

If Cached Exchange Mode is not being used, see if the number of contacts that they have added in Communicator may be very high (as compared to other users) or if disabling the presence details (unchecking Display online status next to name) has any effect.

Abdias Ruiz [MSFT]
 
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