We are excited to announce that the Remote Connectivity Analyzer tool has been updated! In addition to the standard set of connectivity tests, we’ve added an Office 365 tab and a Single Sign-On test. The new Single Sign-On test will validate users' ability to log on to Office 365 with their on-premises credentials. It also validates some basic Active Directory Federated Services (ADFS) configurations.
Read out at http://blogs.technet.com/b/exchange/archive/2011/07/18/test-office-365-single-sign-on-using-microsoft-remote-connectivity-analyzer.aspx
Read my favorites blogs:
Designing a backup less Exchange 2010 Architecture
Step by step guide for upgrading Active Directory from Microsoft Windows 2003 to Microsoft Windows Server 2008
Microsoft Exchange 2010 CAS Array – Steps and Recommendations
Appear Offline in Microsoft Office Communicator Server 2007
Microsoft Exchange 2010 Test cases