In order to test the credentials used by the appliance are valid. The customer will need to use the wbemtest tool to connect to the target, using the same credentials as the appliance uses to scan the target server
Go to Start and type "WBEMTEST" into the search or run box.
If the WBEM connection succeeds you should get a screen like this:
Click Query:
Type "SELECT * FROM Win32_OperatingSystem" > Click Connect