Deletes a given key and all subkeys and values for every user under HKU.
Unlike most registry methods, the 8192 limit is not imposed because doing so would leave the system in an inconsistent state (some users would have the key deleted, others not), and in practice it is highly unlikely that any system would have that many users.
If information is retrieved from the
This method may attempt to call AD to translate a SID to a username.
No output is returned for users for whom the key does not exist, i.e. only values that were actually deleted are reported.
For consistency with other registry user methods, this would be better named as "RegistryDeleteUserKeys".