http://www.testout.com/products/mcse/70-236.htm
Become MCTS certified after passing the Microsoft 70-236 exam. Learn to install, configure, and monitor Exchange Server 2007.
Instruction to bypass activation/login:
1. Attain and install old TestOut Training (eg. 70-294). It will install by default folder to C:\Program Files\TESTOUT
2. Extract Exchange Server 2007 ISO files/folders in a new folder (eg. c:\70-236)
3. Browse the default folder C:\Program Files\TESTOUT, then rename 5 folders (Glossary, Outlines, Questions, resources, Sims) to any name (ie. Glossary2, Outlines2, Questions2, resources2, Sims2)
4. Copy same named 5 folders from c:\70-236 folder to C:\Program Files\TESTOUT
5. Rename XML file in Outlines folder from ms236cle to ms294cle (ie. C:\Program Files\TESTOUT\Outlines\ms294cle)
6. Run the program. Please note that you will still see the old product name under Available Products within TestOut Navigator, however once you press start, Exchange Server 2007 would be shown. Simulations might not work unless you have .Net Framework 2.0 or above. Look in the setup folder of the CD under \Setup\redist\dotnet20 directory