[Solved] Re: Windows registry PermissionError

[Eryk Sun]

On 5/13/22, Mike Dewhirst <miked at dewhirst.com.au> wrote:
> On 13/05/2022 4:14 pm, Eryk Sun wrote:
>> Since self.connect() is always called, you should document that the
>> initial hkey parameter has to be one of the following predefined key
>> handles:
>>
>>      HKEY_LOCAL_MACHINE
>>      HKEY_USERS
>
> I'm targeting HKEY_CURRENT_USER so I assume HK_USERS includes that.

Using HKEY_CURRENT_USER with RegConnectRegistryW() to access a remote
registry isn't well defined and not documented as supported. If it
works at all, the API probably just opens a subkey of the remote
HKEY_USERS based on the string SID (security identifier string) of the
current user. That may fail as not found since user SIDs are unique to
machines, unless it's on a domain.

Bear in mind that the remote registry service is running on the remote
machine as SYSTEM (S-1-5-18) in the non-interactive services session.
If it literally accessed its "current user", then it would open
"HKEY_USERS\S-1-5-18".