Just a FYI since I wasted hours yesterday, I thought I would make sure anyone thinking of going to Windows server 2008, you can't install 3.6.1 there.
I am using a new platform and thought I would install 3.6.1 using my existing database (running on Server 2003) and then had problems until I found out that epo 3.6.1 is not supported there.
You can check KB51569 - Supported environments for ePolicy Orchestrator on Microsoft Windows.
Also, ePO 3.6.1 End of Support /End of Life - 31-Dec-09. So you will want to consider upgrading to 4.x.