Guidance on Active Directory design for Exchange Server 2007

This post focuses on two aspects of Active Directory (AD) design for Exchange 2007:  The recommended ratio of Exchange 2007 servers to Active Directory global catalog (GC) servers When to use dedicated Active Directory sites for your Exchange 2007 servers While most of the existing guidance about AD design for Exchange 2003 applies to Exchange…


Outlook Web Access and Exchange 2007, 2003 and 2000 coexistence

NOTE: The content of this article has been published in the official Exchange 2007 documentation. We recommend that you check the documentation for the most up-to-date version. Please go here: http://technet.microsoft.com/en-us/library/bb885041.aspx EDIT: We have updated this post on 2/15/07 to include additional detail about public folder access. To get started, let me take you on…


UPDATE 2: Exchange 2007 Processor and Memory Recommendations

NOTE: This article has also been published in the official Exchange 2007 documentation. We recommend that you check the documentation for the most up-to-date version. Please see the following links: Planning Processor Configurations – http://technet.microsoft.com/en-us/library/aa998874.aspx Planning Memory Configurations – http://technet.microsoft.com/en-us/library/bb738124.aspx  Planning Server Role Ratios – http://technet.microsoft.com/en-us/library/bb738159.aspx Introduction When selecting hardware for your Exchange servers, there…


Configuring, validating and monitoring your Exchange 2007 storage

NOTE: The content of this article has been published in the official Exchange 2007 documentation. We recommend that you check the documentation for the most up-to-date version. Please go here: http://technet.microsoft.com/en-us/library/bb124518(EXCHG.80).aspx Edit: this post has been updated on 7/3/07, updates from previous versions are listed here. Introduction This is the final blog in my series…


How to do your top Exchange Server 2003 recipient tasks in Exchange Server 2007

In Exchange 2003, Active Directory Users and Computers (ADUC) was the place to go for recipient management. This was frustrating to some, as it was a management environment totally separate from the Exchange system management console. In Exchange 2007, this recipient management functionality has been integrated back into the Exchange management tools, both in Exchange…


The history of content conversion in Exchange

The Exchange server and the client (that evolved into Outlook) were originally (circa 1992) based on the MAPI standard (stands for Messaging Application Programming Interface). Broadly this can be divided into the MAPI data model, and the MAPI object schema. Very simplistically, the MAPI data model can be summed as: message stores (think mailboxes) that…


How the M: Drive came about

In Exchange 2000, we introduced a new feature called IFS. IFS stands for “Installable File System”. This uses a little known and even less used feature of NT that allows the OS’s file system (like NTFS or FAT) to be replaced. The initial reason for doing that was as an optimization: it would allow protocols,…