If you just installed VSDM and when you create a virtual machine you continuously get this error message, you might be missing some configuration information. To resolve this issue, follow the steps below:
Tip #1: If you cannot open the page and you get access denied, please review the Security settings of the vsdm_config.xml file or go back to the Wizard and check the settings.
Done, you might be good to start using VSDM.
Tip #2: If your machine is not joined to a domain, only local accounts can be authorized by Windows, even if you come from a domain-joined computer. In this case, please use the computer name as the Domain for the administrator account.
Tip #2.1: You might create local accounts that match the same username and password on the domain and authorize those. Windows will automatically enable them if you are using Internet Explorer 4.0 or greater.