Authenticate Mac OS X on Vista

1. Click Windows Visa Start Orb
2. In search box, type “regedit” and return
3. Once regedit opens, click File -> export to make a backup copy
4. Navigate to Computer HKEYLOCALMACHINE SYSTEM CurrentControlSet Control Lsa.
5. In the right pane, right-click the “LmCompatibilityLevel” key and select “modify”
6. Change the value from 3 to 1
7. Exit regedit and you should now be able to properly authenticate to your Mac OS X (or other Samba) share.

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