Has anyone tried to set admin controls for iTunes through the registry?

Has anyone tried to set administrative controls over iTunes via the Windows registry? According to Apple’s own documentation at http://support.apple.com/kb/HT2102 , this is possible. I can’t seem to get it to work, but I may not be setting it up correctly. My goal is to get this working on a single machine to get all the keys sorted out, then create a GP administrative template to affect multiple machines.

Has anyone else had success with this?