Additional requirements for Windows XP systems

If the systems you are troubleshooting are running Windows XP, note the following additional requirement when those systems are members of a workgroup.

To configure Windows XP Workgroup clients to allow WMI connections:

1. On the affected system, open Registry Editor (regedit.exe).
2. Expand HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control.
3. Select Lsa.

4. Change the value for the forceguest DWORD to 0:

   1. In the right pane, select forceguest.
   2. Click the Edit menu, and then select Modify.
   3. Enter 0 into the text box.
   4. Click OK.

For additional information about this requirement, see the Microsoft knowledge base article How to Set Security in Windows XP Professional That Is Installed in a Workgroup on the Microsoft Support website.