get error "The path is not of a legal form" during installation of Microsoft Dynamics CRM Data Migration Manager
Check registry key below ; [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\ \InstallProperties] Value: InstallLocation if InstallLocation is empty,Wizard will be thrown an error about illegal path. Set it with correct path.Installation will continue. GUI value = make a searchment under the products with "Data Migration" keyword to modify.