Dave Goldman posted a very interesting post on his blog a little while ago, talking about how mailbox quota limit messages can impact Exchange server performance. He goes into different ways to customize the mailbox quota messages, how the process Read More

CALL TO ACTION   A change in Exchange permissioning behavior may impact mobile communications and other add-on applications for Exchange. Shared and resource mailboxes may also be affected.  By evaluating in advance whether this change will Read More

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 Read More

Recently we have been seeing several issues in Support Services where Event ID 623 is being logged on the server. The symptoms include "Users unable to access their inbox", "Email backing up in the local delivery queue" and "Email awaiting directory lookup". Read More

This is my 4th blog post on the subject of Exchange 2003 Auto Accept Agent. If you want to see previous posts, you can see them here: one, two and three.   The listings of Mailboxes that are registered on any given server are currently homed in Read More

Hi All, I thought I would introduce myself to the BLOG-O-Sphere, my name is Scott Roberts and I'm a Software Developer in Test for the Exchange Sustained Engineering team. One of my responsibilities on the Exchange team includes being part of a team Read More

This release of ExPTA includes the following:   1.    Perfmon data collection:  Collect performance data to log file or analyze previously collected logs.  ExPTA can collect for durations between 5 minutes to 8 hours. Collection Read More

We wanted to announce the new major build of ExBPA that we released today: v2.6 (U.S. English).   We did a lot of work to improve usability of the tool in this release. Here are the major differences and improvements that we have made since ExBPA Read More

Background   Exchange 2003 introduced the Always Up To Date notification feature (AUTD) that kept devices up to date by sending SMS triggers to the device. The triggers were sent from the enterprise as SMTP messages to the SMTP front end at the Read More

With the development of OAB version 4 in Exchange 2003 SP2 and Outlook 2003 SP2 you may want to verify your Outlook clients are using OAB version 4. If your clients are still using OAB version 3 they cannot take advantage of all the new features offered Read More

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 Read More

As mentioned before - we now have CTP build of Exchange 12 those of you that have MSDN and TechNet subscriptions can install it.   One issue that seems to come up frequently for those of you that have tried installing this build is the following Read More

No doubt many of you are familiar with the event commonly seen in application logs of Exchange 2000 and 2003 servers, MSExchangeIS event 9548, indicating that the information store came across a disabled user who is missing the msExchMasterAccountSid Read More

This is a 3rd blog post on the subject of Auto Accept Agent. You can go here to see the 1st one and here to see the 2nd one. In this blog post, I wanted to cover how to troubleshoot Auto Accept Agent issues by using the support scripts that come with Read More

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 Read More