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To audit localhost, any supplied credentials are disregarded and connection is made using the details of the user running the script.
Windows Firewall Requirements
To enable remote PCs to be audited, either the local (on the target machines) firewall (likely the Windows Firewall) must be disabled or access allowed for the WMI service.
To configure this, Google is your friend 
Auditing using a GUI
To do this, go to the Open-AudIT logon page at http://YOUR-SERVER/omk/oae (but do not log in) using Internet Explorer on a Windows PC. You should see a page as below. Click the "Audit My PC" button and run the script. You should see your computer being audited and the data should be posted to the Open-AudIT server.
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