Installing Active Directory Migration Tool Password Migration DLL on one of my legacy Domain Controllers for a Domain Migration.
During the installation of the tool, got an Error 1327. Invalid Drive H:\. Click Ok and the installer would close.

Resolution:
- Open RegEdit on the server in question.
- Navigate to
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders - Look at any items that reference H:\. Change it back to C\.
- Repeat the above steps for User Shell Folders which is under the Explorer folder.
