Remote Desktop Connection issues When Starting Vista Server


  • Remote desktop
  • Error: 8000401a
  • Retrieving the COM class factory for component with CLSID {2B768E20-89F2-11D2-99FD-00104B6D2299}
     failed due to the following error: 8000401a.Server process could not start because the  configured identity is incorrect. Check username and password.
     (Exception from HRESULT: 0x8000401A).Code: -2147467238
  • When starting Vista Server, a fatal error happens: TACOS: COM Initializing failed, error code: -2147417831

Product Line

TAC Vista


  • Vista
  • Windows 2008 Server or Windows 7


When using Remote Desktop with a Windows 2008 Server and disconnecting, the TACOS process may end up in a "sandbox" and can not be reached by other people trying to log in remotely. Or the Vista Server can't be started.


Please download this following workaround, manuals included:
Tacos RDP Disconnect