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

With Beta 2 approaching, Exchange "12" needed a name. I know the suspense has been killing everyone.   Well the wait is finally over:   Exchange Server 2007   If you keep hearing the team talk about "E12" , "12", or "Exchange 12" Read More

Seems like yesterday that Exchange 4.0 hit the market. In March of 1996 Exchange 4.0 was released. I thought I would give you a link for the geeks among you that have been along for the ride and for those that go even further back to ALL-IN-ONE, MailWorks, 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

Here is a great opportunity for few "right" customers.  If you might be interested, please respond to "michael DOT liu AT microsoft DOT com" and I will set up a call with you to go through details.  The Exchange team is currently recruiting 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

Recently MSIT wanted to make some global changes to the retention time of public folders. In the past we had a global limit of 3 years retention on items in public folders. The plan was to change the default limit to 1 year, and then exempt folders as 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

If you are following Eileen's blog - you already know about this, but for you that don't... A few more Exchange 12 WebCasts are coming up. Mark your calendars! Here are the subjects:   TechNet Webcast: Improvements to Calendaring in Exchange "12" Read More

Be the first to know about upcoming Microsoft Betas!  Register to receive updates on the Exchange "12" public beta via a customized Microsoft TechNet Flash Newsletter!  Find out more here: http://www.microsoft.com/technet/prodtechnol/beta/preregister.mspx. Read More

Introduction   This is the first of a four part Web log where I will focus on the different server roles in Exchange 12 and their disk I/O characteristics. Over the next few months I'll be addressing other Exchange 12 storage concerns in three Read More

A while ago, I blogged about Exchange Server Profile Analyzer tool here. We now have some updates! We are pleased to announce the availability of the Exchange Server Profile Analyzer WR2.5. The new version can be downloaded from the Microsoft Download 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