Background This is a follow up to my recent post: A study of Exchange 2007 SP1 Hub throughput with different message sizes . Please refer to this post for full background information and test details. I promised in that post that I would add results Read More

Please join us next Wednesday July 30th, 4-7PM PST for the next meeting of the UCDoers - Pacific Northwest Unified Communications User Group meeting!The UCDoers will meet at the McKinstry Company located at:5005 Third Avenue South Seattle, WA  98134 Read More

Enterprise Communications Support (formerly known as Exchange Messaging Support) has recently seen an increase in support incidents around the -519 Jet_errLogSequenceEnd issue. In this blog I will explain this issue in detail, why it may occur, how to Read More

In Exchange Server 2007 SP1, the EWS team added a new feature called EWS Request Proxying.  It is sometimes also referred to as EWS Proxy or HTTP Proxy.  Not much has been said about this feature, but if you care about performance, it is important Read More

The Exchange Server documentation team is pleased to announce updates to the Exchange Server content. To see what content has changed for Exchange Server 2007 with Service Pack 1, take a look at Exchange Server 2007 Documentation Updates. To see what Read More

If you've not heard; Apple released iPhone 2.0 today which includes a software update to the existing iPhones in the market (yes, we mentioned it when it was announced as well).  We're thrilled to add them to the family of Exchange ActiveSync licensees Read More

Wanted to let you know about this Webcast as it is happening next week... Ross Smith IV is presenting; you can expect an awesome look into designing Exchange 2007 Storage! You can find the details and register here: TechNet Webcast: Microsoft Exchange Read More

EDIT 8/22/2008: We have updated the troubleshooting section. Download information for Update Rollup 3 for Exchange 2007 SP1 The update is live at: http://www.microsoft.com/downloads/details.aspx?FamilyId=63E7F26C-92A8-4264-882D-F96B348C96AB&displaylang=en Read More

Introduction We have been working on a problem that surfaced with the release of Exchange 2007 Rollup 5. A number of customers reported that some of their Exchange 2007 managed services did not start automatically after Rollup application, however they Read More

We're exploring making improvements to the experience of configuring Transport Rules. As part of this, we want to make sure we account for exactly how you are using Transport Rules today. The script linked to below will output some Transport Rules usage Read More

Many of you have been wondering how continuous replication works in Exchange 2007.  The Continuous Replication Deep Dive whitepaper discusses how log shipping, log inspection, and log replay work within Exchange 2007.  In addition, the paper Read More

Performance analysis and troubleshooting can be a very complex and daunting area with Exchange Server. Being able to quickly and accurately identify and resolve issues requires a thorough understanding of the most interesting and important performance Read More

So you've heard some folks saying large mailboxes are a good idea. Your users have been screaming for mailboxes with more than 1GB quotas. Your management wants you to be able to recover from outages in minutes, not days. Everyone is telling you to do Read More