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Friday, April 21, 2006 12:23 PM

Are 'ghosts' modifying distribution groups in your mixed-mode environment?

We've seen a few issues recently where members of DGs (Distribution Groups) in mixed-mode Exchange 200x and 5.5 seem to randomly and mysteriously disappear. We thought we'd share one known root-cause and also show you how to prevent the problem while
Posted by Exchange | 3 Comments
Monday, March 27, 2006 9:31 AM

The Recipient Update Service and Linked Value Replication

Lately I've seen a lot of questions regarding the use of homeMDB in policy filters. I want to use this post to explain the reason that ExBPA warns about this, and hopefully clear up the confusion about how to address this. Linked Value Replication is
Posted by Exchange | 9 Comments
Friday, March 17, 2006 9:09 AM

Exchange 2003 post SP2 DSProxy Referral Update

In November 2005 I posted an article on the DSProxy referral changes that are included in Exchange Server 2003 Service Pack 2. For the full article, please see http://blogs.technet.com/exchange/archive/2005/11/04/413669.aspx . To refresh everyone's mind,
Posted by Exchange | 17 Comments
Friday, January 27, 2006 4:47 PM

How does OABGen know what domain controller to connect to?

In this article I will explain how the OAB Generation process discovers the domain controller that it will use for rebuilding an Offline Address List. Understanding this process can help you in troubleshooting. As I have mentioned in other blog posts
Posted by Exchange | 5 Comments
Wednesday, January 25, 2006 11:47 AM

Minimum permissions necessary to access mailbox data

I was asked the following question recently: What are the minimum permissions necessary I need to grant a user in order for that user to be able to access the data in another user’s mailbox? Automatically I referenced following article 821897 that states
Posted by Exchange | 15 Comments
Thursday, January 05, 2006 2:40 PM

Exchange Does Not Always Use Local GCs

Until last week I was under the impression that Exchange always uses local GCs (Global Catalog servers) and only uses out-of-site directory servers (GCs or DCs) if no local ones are available. I found out otherwise from working on the issue described
Posted by Exchange | 11 Comments
Friday, December 09, 2005 12:37 PM

OAB PDN changes and existing site consolidations

With Exchange 5.5 coming to the end of its support life cycle, lots of companies have been migrating quickly from Exchange 5.5 to Exchange 2000 or Exchange 2003. One major component that is affected by mixed mode site migrations/consolidation is the OAB.
Posted by Exchange | 2 Comments
Wednesday, November 30, 2005 12:22 PM

USN Rollbacks and Active Directory Replication Issues

I recently worked on an interesting issue where certain Distribution Groups (DGs) in the Active Directory (AD) were not replicating properly with the Exchange 5.5 Directory Service (DS). After adding several members to a DG in the AD, the changes did
Posted by Exchange | 6 Comments
Friday, November 04, 2005 9:25 AM

Exchange Server 2003 Service Pack 2 DSProxy Referral Process Changes

Pre-Exchange Server 2003 Service Pack 2 Behavior Prior to Exchange Server 2003 Service Pack 2, Outlook MAPI clients would receive either a referral to a global catalog server or use the Exchange server to proxy directory related requests; specifically,
Posted by Exchange | 20 Comments
Monday, October 17, 2005 3:44 PM

How ESM Matches Public Folder Objects to Directory Objects

I recently worked on a few support cases where questions came up on "what exactly happens" when we use the Exchange System Manager (ESM) to pull up properties of public folders. How does the ESM find a matching public folder directory object in Active
Posted by Exchange | 4 Comments
Monday, October 03, 2005 2:16 PM

Entourage 2004 SP2

The Entourage team has blogged recently about the release of Entourage 2004 SP2: What's new in Entourage 2004 SP2 SP2 details: Enforcing Exchange Permissions within Entourage Entourage 2004 SP2: Common GAL issues - KC Lemson
Posted by Exchange | 1 Comments
Monday, September 26, 2005 9:45 AM

OAB Troubleshooting Goodies

Dave Goldman has a couple of recent posts that may be of interest: How to troubleshoot the OAB generation process OABInteg and how to use it to troubleshoot OAB generation issues - KC Lemson
Posted by Exchange | 0 Comments
Monday, July 25, 2005 9:21 AM

OAB certificate filtering

In Exchange 2003 RTM, as part of the cached mode Outlook initiative, we found that the Offline Address Book stored on the client was taking 300 megabytes at Microsoft, a phenomenal amount of space and far too much to be reasonable. Other customers had
Posted by Exchange | 8 Comments
Friday, June 17, 2005 9:30 AM

Why should I use the ADC Tools to create my Connection Agreements?

The Active Directory Connector is a utility that is used to replicate recipient and configuration data between the Exchange Directory and Active Directory. It was first shipped with Windows 2000, then later shipped with Exchange 2000 Server and again
Posted by Exchange | 6 Comments
Monday, June 06, 2005 10:03 PM

Exchange 2003 SP2

Hi, I’ve hopefully met many of you at TechEd, IT Forum, or another Exchange community event – but if not, I hope to meet you there soon and I’ll introduce myself now to get it out of the way. I’m the General Manager of the Exchange product team. I’ve
Posted by Exchange | 40 Comments
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