Exchange Insider Articles on TechCenter

There are a number of the “Exchange Insider” articles starting to trickle out onto the TechCenter web site: In case you are not familiar with these articles, they come from a weekly “tech bulletin” that is sent out. Over the years these weekly emails have hosted various guest writers on many interesting Exchange (and…

OAB PDN Changes and Exchange Site Consolidations

Recently I have been involved with debugging a lot of OAB issues. One of the most interesting issues has been the PDN table change. With Exchange 5.5 coming to the end of it’s life cycle, lots of companies have been migrating quickly from Exchange 5.5 to Exchange 2000 or Exchange 2003. One major component that…


Technet Exchange Insider Article – Offline Address List Generation Overview

Recently I was asked to write an article for the Exchange Insider portion of Technet. The article was published: October 5, 2005. It contains most of the blog information and now is a part of Technet. Here is the link to the Technet Exchange Insider section:\ Here is the link to my article:

OABInteg explained on

Earlier today I was doing some research and came across this article on OABInteg. Henrik Walther who is an author and contributes heavliy to the, has done a great job showing some of the potential that OABInteg has for solving OAB Generation issues. If you have the time, please check this out.  

OABInteg and how to use it to troubleshoot OAB generation issues.

With all of the extensive troubleshooting and debugging that I have done over the last year for OAB generation process, I thought it would be worth while to write an tool that could help customers troubleshoot these issues. The OAB generation process is unknown to many, so I have felt the need to starting posting about it. This…


How OAB certificate filtering works

Neil Shipp wrote a great article on how the OAB certification filter works. Neil’s blog can be found here -> Enjoy

OAB version 4 in Exchange 2003 service pack 2 (SP2)

OAB Version 4 is a new addition to the Offline Address Book infrastructure. It was designed to help remove most Outlook OAB download related problems Once Exchange 2003 Service Pack 2 has successfully been installed on to the Exchange server, it will have the ability to create the OAB Version 4 folder. The location for…

How to troubleshoot the OAB Generation process

I thought I would take a few minutes to post some information on how to troubleshoot OAB Generation problem. There are two really basic things that must be understood before troubleshooting any process:   Understanding how the process works before you troubleshoot it. If you do not know how the process works, how are you…


Outlook client OAB download process

Here is some information on how the outlook clients connect to the public folder information store to download the oab messages/attachments. For an outlook client to download the OAB files the client has to make a call in to the address book provider, which searches the public folder tree and returns a list of the…