Outlook 2010 in online mode uses more CPU when mailbox is located on a certain server.
Hi We have observed a strange behaviour on one of our servers. We have 3 identical mailbox servers (Exchange 2010 SP2). All servers was installed and put into production at the same time. Outlook 2010 in online mode consumes 8-15% cpu on the client workstation when a mailbox is located on mailbox server 1. If I move a mailbox from mailbox server 1 to one of the two others cpu comsumption drops to 1%. Outlook in cache mode comsumes 1% on all three servers. Mailboxes are distributes equally between the three mailbox servers. Any ideas what could cause this behaviour? Best regards Klaus Ringe Nielsen
February 7th, 2012 2:48am

is it happens with one particular user or every one in the organization. get the memory utilization and other parameters on mailbox server 1 is the mailbox server 1 locates in different site for the client your taklking about also check the network connectivity from the cas array to the mb server1
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February 7th, 2012 4:20am

Are you using public folders, and if so do you have replicas on all 3 mailbox servers?[string](0..33|%{[char][int](46+("686552495351636652556262185355647068516270555358646562655775 0645570").substring(($_*2),2))})-replace " "
February 7th, 2012 12:04pm

Yes, we're using public folders, and all folders are replicated to all three servers.Best regards Klaus Ringe Nielsen
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February 8th, 2012 1:51am

Hello, How about moving the problematic user to the old mailbox store? Is it will good? Thanks, Simon
February 8th, 2012 8:54pm

Hi All users on the server is affected. When I move a user from server 1 to server 2 the problem stops. If I move the user back again the problem starts again. Best regards Klaus Ringe Nielsen
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February 9th, 2012 2:17am

Hello, How about moving the problematic user to the old mailbox store? Is it still good? Thanks, Simon
February 9th, 2012 4:52am

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