Enabling Account Privileges in WMI of a Vista or Server 2008 computer

The account you specify in the Credentials Library must possess security access to the namespace and subnamespaces of the monitored target computer. To enable these privileges, complete the following procedure.
To enable namespace and subnamespaces privileges:
1. Log on to the computer you want to monitor with an administrator account.
2. Navigate to Start > Control Panel > Administrative Tools > Computer Management > Services and Applications. You need to switch to the Classic View of the Control Panel to use this navigation path.
3. Click WMI Control, and then right-click and select Properties.
4. Select the Security tab, and then expand Root and click CIMV2.
5. Click Security and then select the user account used to access this computer and ensure you grant the following permissions:
Enable Account
Remote Enable

6. Click Advanced, and then select the user account used to access this computer.
7. Click Edit, select This namespace and subnamespaces in the Apply to field, and then click OK.
8. Click OK on the Advanced Security Settings for CIMV2 window.
9. Click OK on the Security for Root\CIMV2 window.
10. Click Services in the left navigation pane of Computer Management.
11. Select Windows Management Instrumentation in the Services result pane, and then click Restart.