access denied on remote WMI calls


Darren Mar-Elia

I'm having a confounding time figuring out why I can't query WMI remotely.
The scenario is that I have an XP2, SP2 machine that is in a workgroup. I'm
trying to query the machine using WMI from either a Vista or another XP, SP2
machine. I am using the credentials of the workgroup machine's local
administrator account and regardless of what I do, I get "Access Denied". No
firewall is involved. Any ideas?

Jonathan Liu [MSFT]

Since the machine is in a workgroup, there is a minor modification that you
need to do to get this to work: See this article.

In a nutshell you need to update the registry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\forceguest = 0

Just a reminder, modifying registry entries may lead to unintended
consequesnes, use at your own risk.

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