To add your monitor account to the local administrator group of a Vista or Server 2008 computer:

1. Log on to the computer you want to monitor with an administrator account.
2. Navigate to Start > Control Panel > Administrative Tools > Computer Management >Local Users and Groups > Groups. You need to switch to the Classic View of the Control Panel to use this navigation path
3. Right-click Administrators, and then click Add to group
4. If the account you want to use is not currently a member of this group, complete the following procedure
a. Click Add on the Administrators Properties window
b. Type the name of the account you want to use to gather WMI statistics, and then click OK
5. Click OK on the Administrators Properties window, and then close the Computer Management window