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Windows XP 32 & 64 - Cant RDP - "Sorry, Terminals was unable to connect to the remote machine. Try again, or check the log for more information."

Topics: Developer Forum, User Forum
Dec 6, 2011 at 5:34 PM
Edited Dec 6, 2011 at 5:36 PM

Hello All,

  I have received the mentioned error on both 32 and 64 bit machines.  also, here is a screenshot of the error:


The log file also lists this as there error:

FATAL 2011-11-15 22:01:47,808 704461ms Terminals              on_ThreadException - Application Exception
System.Runtime.InteropServices.COMException (0x80040154): Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))
   at System.Windows.Forms.UnsafeNativeMethods.CoCreateInstance(Guid& clsid, Object punkOuter, Int32 context, Guid& iid)
   at System.Windows.Forms.AxHost.CreateWithoutLicense(Guid clsid)
   at System.Windows.Forms.AxHost.CreateWithLicense(String license, Guid clsid)
   at System.Windows.Forms.AxHost.CreateInstanceCore(Guid clsid)
   at System.Windows.Forms.AxHost.CreateInstance()
   at System.Windows.Forms.AxHost.GetOcxCreate()
   at System.Windows.Forms.AxHost.TransitionUpTo(Int32 state)
   at System.Windows.Forms.AxHost.CreateHandle()
   at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
   at System.Windows.Forms.Control.CreateControl()
   at System.Windows.Forms.Control.OnVisibleChanged(EventArgs e)
   at System.Windows.Forms.Control.OnParentVisibleChanged(EventArgs e)
   at System.Windows.Forms.Control.OnVisibleChanged(EventArgs e)
   at System.Windows.Forms.ScrollableControl.OnVisibleChanged(EventArgs e)
   at System.Windows.Forms.Control.WmShowWindow(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
ERROR 2011-11-15 22:01:47,824 704476ms Terminals              UpdateControls     - Screen properties not available for RDP
Property get of 'FullScreen' cannot be invoked at this time.
ERROR 2011-11-15 22:01:47,824 704476ms Terminals              SetGrabInput       - Screen properties not available for RDP
Property set of 'FullScreen' cannot be invoked at this time.
ERROR 2011-11-15 22:01:47,824 704476ms Terminals              TryConnectTabPage  - Error Creating A Terminal Tab
Property get of 'Connected' cannot be invoked at this time.


I did install RDP Client 6 and this error happens with both 2.0 and 1.9.  .NET 3.5 sp1 is installed as well.  If anyone has any information as to why this would be happening, please let me know.  thank you.