In many organizations the skill sets that administer Exchange, Active Directory (AD), Domain Naming System (DNS), and the network infrastructure are often segregated. Since Exchange is heavily dependent on communication with AD and that communication Read More

Exchange CXP team has released Update Rollup 2 for Exchange Server 2007 Service Pack 2 (KB 972076) to the download center. In addition to bug fixes reported by customers we have added new rules to the Exchange Best Practices Analyzer to check the health Read More

There is potential for calendar related problems when new diagnostic logging for Message Access, which is available in Exchange Server 2007 Service Pack 2 (SP2) is raised from its default setting of Lowest.  A Knowledge Base article and a fix are Read More

It is common for Exchange organizations to include different versions of Exchange. Interoperability scenarios present challenges to administrators for maintaining the different tool sets required to manage different versions of recipient and configuration Read More

EDIT 12/8/2009: Made a few modifications to the post and script based on feedback received. Working in Exchange Customer Service and Support, we often see cases where user performance, or overall server performance, is impacted because of a high number Read More

Six or seven years ago, I was faced with several cases where the permissions on public folders had been made non-canonical by programs running against the M: drive. This was back in the Exchange 2000 days when IFS was still around, and it exposed the Read More

With the release of Exchange 2007 SP2 we provided a Supportability Matrix which outlined the supported configurations for Exchange 2000 SP3, Exchange 2003 SP2, and Exchange 2007 (RTM, SP1, and SP2).   But as many are aware, with the release of Windows Read More

EDIT 11/24/2009: Corrected the permissions needed in KB 970104 section. It has been about a couple of months since we released Exchange Server 2007 Service Pack 2. About 3 years ago when we shipped Exchange Server 2007 we promised cumulative update rollups Read More

NOTE: This article has been updated to correct the MSAS URLs mentioned in this article. By now most of you have heard about the release of Exchange 2010.  Those of you that are upgrading from Exchange 2003, Exchange 2007 or a mixture of the two, are Read More

In Microsoft CSS (Customer Service and Support) we deal with many anti-spam questions. While the anti-spam features that come out of the box with Exchange 2007 provide a robust level of protection against unwanted garbage in your inbox, there is still Read More

We always talk about listening to customers and sometimes this is written off by many as 'marketing speak'.  In fact, we do take feedback seriously and no input is more important to our engineering processes than your voice. Earlier this year we made Read More

We've got a great webcast coming up next week to discuss recommendations for virtualizing Exchange server and the benefits of choosing Hyper-V + System Center as your virtualization solution.  TechNet Webcast: Microsoft Virtualization Best Practices for Read More

Today we released an updated version of the Exchange Remote Connectivity Analyzer. For those of you not familiar with this site, it is a Web-based tool that helps you troubleshoot connectivity issues. The tool simulates several client logon and mail flow Read More

It was mentioned before that Exchange 2007 SP2 contained Exchange 2010 schema completely back ported to it, but if you check the LDF files that generate the schema you may notice that they are in fact different. Back porting the schema was not a straight Read More

I wanted to take a moment to get out the latest information concerning Exchange Anti-Spam Filters for the different Exchange products that have been released. This definitely will not answer all the questions but it should help in clarifying things that Read More