Installation ADMT version 3.1 on Windows Server 2008 R2 is not supported yet.

Microsoft Exchange Server 2003 and Windows Server 2003 Service Pack 1 will not be supported any longer. These products have reached the end of their lifecycle on 4/14/2009.

Microsoft published new version of Microsoft Exchange Server it will be version 2010.
List of the new features and functionality that are included in Exchange 2010:

New Rights-Protected E-Mail Functionality with Active Directory RMS
New Transport and Routing Functionality
New Permissions Functionality
New High Availability Functionality
New Messaging Policy and Compliance Features
New Outlook Web Access Features
New Unified Messaging Features
Web Management Interface
New [...]

Microsoft published Exchange Remote Connectivity Analyzer tool. Itâ??s will help you test your Exchange connection from Internet.
The tool will allow you to remotely test the following services:
1. Microsoft Exchange ActiveSync Test
This test will simulate the steps a mobile device uses to connect to an Exchange Server using Exchange ActiveSync.
2. Microsoft Exchange ActiveSync AutoDiscover Test
This test [...]

How to create custom Configuration Manager Console?
1.       Run mmc command.
2.       Add the Snap-in System Center Configuration Manager.

3.       If you Select Console Tree Items To Be Loaded, you can decide which nodes will be displayed in console.

4.       Select the items that you want to be displayed in console.

5.       Click finish and save console.

Microsoft published Update Rollup 6 for Exchange Server 2007 Service Pack 1. Update Rollup 6 for Exchange Server 2007 Service Pack 1 (KB959241) is now available for download: http://www.microsoft.com/downloads/details.aspx?FamilyID=93cb3f66-ae72-4356-bdbf-35029cff6df1&displaylang=en

Windows Server 2008 R2 Beta is ready to download.
Microsoft published new version of their operating system for testing.
Top 10 Reasons to Upgrade to Windows Server 2008 R2:
1. Powerful Hardware and Scaling Features.
2. Reduced Power Consumption.
3. Hyper-V??c in Windows Server 2008 R2 (live migration).
4. Increased Desktop Management Efficiencies.
5. Easier and More Efficient Server Management.
6. PowerShell 2.0.
7. [...]

Microsoft published new guide about custom reports in System Center Configuration Manager 2007. Documentation package “Creating Custom Reports By Using Configuration Manager 2007 SQL Views” is now available for download: http://www.microsoft.com/downloads/details.aspx?FamilyId=87BBE64E-5439-4FC8-BECC-DEB372A40F4A&displaylang=en
 
Package CreatingCustomReportsByUsingSQLViews.msi includes the following files:

Before You Use – Readme document (BeforeYouUse_Readme.doc)
Using Configuration Manager 2007 SQL Views to Create Custom Reports help file (CM2007CustomReports.chm)
Configuration Manager [...]

Microsoft has released Update Rollup 5 for Microsoft Exchange Server 2007 Service Pack 1. You can download Rollup 5 from Microsoft download center here. This update does not apply to Exchange Server 2007 RTM.
Update Rollup 5 for Exchange Server 2007 SP1 fixes the issues that are described in the following Microsoft Knowledge Base articles:
??c KB925371 [...]

Tech-Ed EMEA 2008 IT Professionals conference, 3-7 November 2008, in the CCIB, Barcelona, Spain
Price:
Early Bird Deadline 26 September ? ?1,945 + 16% VAT
Full Price from 27 September to close ? ?2,245 + 16% VAT
Register here