Version 2 of the Exchange Connector for SCSM 2010 SP1 has been released. If you have been using the first release you may be aware that there a few bugs which have now been fixed. More details in the article below:

http://www.microsoft.com/download/en/details.aspx?id=26927&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+MicrosoftDownloadCenter+%28Microsoft+Download+Center%29#system-requirements