The future of Exchange 2010 Address List Segregation

Hey folks, I know it has been some time since I have last posted anything on this topic and you are all waiting patiently. I want you all to know that this is something that I take great pride in doing and keeping everyone informed. With that being said, at this time all I can say…

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Proper virus exclusions for servers hosting the OAB

I often run in to situations where customers are seeing the following events in the application log: Event Type: Error Event Source: MSExchangeSA Event Category: OAL Generator Event ID: 9373 Description: OALGen detected that the file ‘\\<SERVER name>\ExchangeOAB\<folder name>\a58e388b-7b23-4944-b042-58a7d0c6590f-data-1.lzx’ is corrupted or missing. This indicates data tampering or disk problems. Restore files in this folder…

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CRITICAL UPDATE – Exchange 2010 Address List Segregation and Current Support Stances

Back on Wednesday, [January 06, 2010] I published the following blog: Exchange 2010 Address List Segregation – Update. In this blog I made the following statement: “I think you will be happy to know that I am towards the end of wrapping up the Exchange 2010 Address List Segregation white paper. I will post another…

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UPDATE: Looking up Free/Busy information in a mixed org (E2K3/E2k7) will return a 4004 error.

Hey guys, this is a long over due update with regards to http://blogs.msdn.com/dgoldman/archive/2008/02/02/looking-up-free-busy-information-in-a-mixed-org-e2k3-e2k7-will-return-a-4004-error.aspx. For more information please see: KB Article 972076  (http://support.microsoft.com/kb/972076/ ) Description of Update Rollup 2 for Exchange Server Service Pack 2 To resolve this problem, follow these steps: Install Update Rollup 2 for Exchange Server 2007 Service Pack 2 on the Exchange…

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What are the default permissions on the ExchangeOAB directory?

When an OAB is being built by the system the OAB Generation process (OABGen.dll) will create the main share [ExchangeOAB] so the OAB files can be placed for pickup by the FDS (File Distribution Service) which runs on the Client Access Server. There are two locations for this directory: Exchange 2007 – x:\Program Files\Microsoft\Exchange Server\ExchangeOAB…

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Exchange 2010 Address List Segregation – Update

Hey guys, I think you will be happy to know that I am towards the end of wrapping up the Exchange 2010 Address List Segregation white paper. I will post another update as soon as we are finished with the editing and when it will be posted. With that being said I wanted to post…

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How to set use OAB Throttling effectively

In this blog I will break down how to use OAB throttling. There are a few things that I need to explain about this as most of the administrators that use this never get it to work properly. Using OAB throttling is not a set it and forget it type of deal, the numbers *must*…

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