Taking the Covers Off of Microsoft Dynamics CRM2011

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The path is not of a legal form - Data Migration Manager

I received the error message '"The path is not of a legal form" during installation of Data MigrationManager for CRM 4.0

Reason for this error is one of the key's value is empty, to solve this;

1. Start>run>regedit
2. Navigate to [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products]
3. You will see many folder under it named with GUID. If you can see {59DD8CB00184F24E99A62CF4D6109FA}, then click it and goto InstallProperties
4. Right click InstallLocation and select Modify
5. Type in "C:\Program Files\Microosft Dynamics CRM"
6. If you can't find the above mention GUID, you need to browse those GUID one by one and look DisplayName with value "Microsoft Dynamics CRM Server", then just change the InstallLocation value.

Hope this help :)