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 forward action code wise. In order to do it, we...

A few months Bruce Langworthy wrote an excellent article regarding some new recommendations for setting the Windows Disk Timeout value - http://blogs.msdn.com/b/san/archive/2011/08/15/the-windows-disk-timeout-value-understanding-why-this-should-be-set-to-a-small-value.aspx . This post got me thinking...

* But Were Afraid to Ask In Part 1 and Part 2 of this series we looked at the fundamentals of Exchange backups using VSS, and the flow of an active DAG database backup. In Part 3 we break down how a passive DAG database copy undergoes a full backup. The Exchange Writer responsible for passive copy backups...

Last week we updated our Exchange TechNet articles. Within that update are two new articles that I wanted to call out: Understanding High Availability Factors - This article summarizes my US TechEd 2010 Exchange 2010 High Availability Design Considerations breakout session by discussing several design...

With the changes in strategy we announced in Future of /Hosting Mode a few months back we wanted to take the opportunity to make clear what is supported in what are typically referred to as hosting scenarios. We announced that hosters would be able to use Exchange 2010 SP2 to provide hosted Exchange...

It is my distinct pleasure to announce today the global availability of Exchange Server 2010. This has been an amazing journey from conception to launch, and the team has delivered an unprecedented line up of innovations in this release. I am incredibly proud of the team and our product. The dedication...

Seeing that many will be finding a copy of Exchange 2010 under the tree soon (...right?), we wanted to let you know that we have been working to create the performance counter guidance for Exchange 2010 as we have for Exchange 2007 (see Monitoring Without System Center Operations Manager ). We are...

Exchange CXP team has released Update Rollup 4 for Exchange Server 2010 RTM (KB 982639) to the download center. KB 982639 lists all the fixes included in this rollup. Here are some of the product improvements and critical bug fixes we'd like to call out starting with 5 improvements we made to prevent...

You may have seen some of the press coverage today on Office 365, which brings all of Microsoft's business productivity software together into one cloud service. Exchange Server 2010 Service Pack 1 (SP1) will be the engine that powers Exchange Online in Office 365, lighting up slick new features such...

The Exchange 2010 install of the CAS role includes the installation of the legacy Exchange Virtual Directories. The Exchange, Public and Exchweb Virtual Directories are placed and configured directly in the IIS metabase, therefore these Virtual Directories are only local to the Server and no longer objects...

As part of your Exchange 2010 planning process, one of the areas you must focus on is the Mailbox server design. One component in that design process will be determining your CPU requirements. To that end, we have published guidance that identifies the megacycles / mailbox for each message profile that...

As we blogged last week, we'll be offering a beta of Exchange Server 2010 Service Pack 1 (SP1) for download in parallel with Tech·Ed North America 2010 this June. The Tech·Ed Web site has some great reasons as to why you should attend this year, but here's a few more: Sessions, sessions, and more sessions...

Download Anyone who regularly uses Log Parser 2.2 knows just how useful and powerful it can be for obtaining valuable information from IIS (Internet Information Server) and other logs. In addition, adding the power of SQL allows explicit searching of gigabytes of logs returning only the data that is...

By now many of you have probably used the Exchange 2010 Mailbox Role Requirements calculator to help design your mailbox architecture. In particular, one area that is critical in your architecture is the CPU load that will be placed on your mailbox servers. To that end the Exchange Product Group provided...

Transport Rules provides an organization with the tools needed to enforce messaging policies across their Exchange organization. You may be familiar with Transport Rules in Exchange Server 2007, and the ability to inspect different parts of a message such as subject, body, and headers for specific words...

We’ve released the latest version of the Mailbox Role Requirements Calculator which corrects (among other things) the OS locale issue many of you stumbled upon with the first release of the database copy distribution function. You can download the new version of the calculator and let us know...

Update 8/14/13 : Due to an issue with the Exchange 2013 Security Update installation process, the Exchange 2013 updates have been removed from the Download Center. For more information, please see Exchange 2013 Security Update MS13-061 Status Update . Today, Exchange Servicing released several updates...

Remote mailbox move (a.k.a. cross-forest mailbox move) refers to the process of migrating an Exchange mailbox from one Active Directory forest to another. Exchange 2010 supports remote mailbox moves via the MoveRequest cmdlets. Here are some of the considerations for performing remote mailbox moves on...

Now that you might have seen the announcement for general availability of Windows 2008 R2 SP1 , we wanted to get ahead of the inevitable question: "Is Exchange supported running on Windows Server 2008 R2 SP1?" We wanted to let you know that we've completed testing with Windows 2008 R2 SP1 and the following...

As we like to say here on EHLO, we’re always listening for feedback on what we're doing well and what we could be doing better for you. As more and more of you evaluate and deploy the email archiving, retention and discovery capabilities of Exchange Server 2010 and Exchange Online , we understand...

Dave Goldman, who has been working on and is coordinating a lot of the E2010 Address List Segregation documentation effort - has just posted an update on his blog that can give you an idea where things stand right now and what to expect in the future as far as transitioning between versions of Exchange...

I think we are due for a reminder on best practices related to Windows features collectively known as “Microsoft Scalable Networking Pack (SNP)”, as it seems difficult to counter some of the “tribal knowledge” on the subject. Please also see our previous post on the subject. Recently we had a customer...

When I released the first version of this guide back in November 2010 I had no idea how many people were out there having problems with Jetstress testing. Over the last 5 months I have had the opportunity to work through and discuss some interesting cases with a number of you. So I thought it was about...

Introduction Users often delete data from their mailboxes that they later want recovered. Recovery of these deleted items is the most common reason for IT admins to recover data from traditional point-in-time backups today. With previous versions of Exchange Server, administrators implemented two...

Update 4/11/11 : Please note that the E2010 SP1 RU3 will be available via Microsoft Update on 4/24/11. On March 14 th we posted an announcement to the EHLO blog about removing Update Rollup 3 for Exchange Server 2010 SP1 due to an issue related to Blackberry devices. The Exchange Servicing team has fixed...