Changing Remote Registry

Kevin Holleran kdawg44 at
Fri Aug 7 16:30:37 CEST 2009

>  Good morning,
>> I fear the answer to this is that I just cannot do this....
>> I wrote a python script that goes out to a bunch of remote machines and
>> queries the registry for some values.  Effectively, there have been some
>> software upgrades that have been done as the need arose but we need to do
>> them across the organization now.  There are three, and the script checks
>> all three and returns the values.  One of these just needs to be a registry
>> change as it is a client server application that the server was upgraded and
>> the clients need a change to a registry value to work.
>> Long story short, I am using _winreg to do this.
>> hKey = _winreg.OpenKey (keyPath, path, 0, _winreg.KEY_SET_VALUE)
>> value,type = _winreg.QueryValueEx(hKey, item)
>> if (value == wrongValue):
>>       _winreg.SetValue(hKey,'',_winreg.REG_SZ,correctValue)
>> When I do this I receive the error:
>> _winreg.SetValue WindowsError: [Error 5] Access Denied
>> I am running this from my machine as a domain admin, connecting to the
>> remote machine which is also on the domain.
>> I am connecting to the remote registry with:
>> keyPath = _winreg.ConnectRegistry(r"\\" +
>> ipAddress,_winreg.HKEY_LOCAL_MACHINE)
>> Thanks for any help.
> What is 'ipAddress'? Is it an actual IP address? The documentation says
> it should be the computer name.
> --

Thanks for the response.  From my experience that does not matter.  It is an
actual IP address.  I can connect to the registry fine, its just the
writing.  I read that value and other values.  It errors on the
_winreg.KEY_SET_VALUE.  I am wondering if Windows just will not let the
registry be changed remotely in this way or if there is something else I
have to do.

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