"This Path is not of a legal form" Installing Data Migration Manger on x64

Here is how you make the path legal to install Data Migration Manager.

• Start > Run
• Type "regedit.exe" (without quotes)
• Navigate to key - [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\C5D06E9536719E94DB7D0491EB205E22\InstallProperties

Set value to:  C:\Program Files\Microsoft Dynamics CRM

It is blank by default on the CRM server.

Pulled from http://mscrmnovice.blogspot.com/2009/03/path-is-not-of-legal-form-error-while.html