The Official Stance on Address List Segregation

Since the early days of Exchange Server our customers have used various methods to provide different views of the Global Address List (GAL) to subsets of users within the same Exchange Organization. This segmentation allowed administrators to optimize address lists in large companies, creating smaller ‘virtual’ organizations, with users only able to see the users…

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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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