Connection Error

[vahid45]

i have error when create new connection that is my connection
authentication type : Active Directory
org uri : http://servername/orgname port 80
domain : domain
user:user
pass:pass

when set this connection to source or destination my vs crash and close.
this is vs error:
An error occurred while retrieving the value of property "ConnectionString". The error code is 0x80020009 "Invalid URI: The hostname could not be parsed.".
(Microsoft Visual Studio)

this is event viewer log:

Application: devenv.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.ArgumentOutOfRangeException
at System.Windows.Forms.ComboBox.set_SelectedIndex(Int32)
at CRMSSIS.CRMSourceAdapter.CRMSourceAdapterUIForm.CRMSourceAdapterUIForm_Load(System.Object, System.EventArgs)
at System.Windows.Forms.Form.OnLoad(System.EventArgs)
at System.Windows.Forms.Form.OnCreateControl()
at System.Windows.Forms.Control.CreateControl(Boolean)
at System.Windows.Forms.Control.CreateControl()
at System.Windows.Forms.Control.WmShowWindow(System.Windows.Forms.Message ByRef)
at System.Windows.Forms.Control.WndProc(System.Windows.Forms.Message ByRef)
at System.Windows.Forms.ScrollableControl.WndProc(System.Windows.Forms.Message ByRef)
at System.Windows.Forms.Form.WmShowWindow(System.Windows.Forms.Message ByRef)
at System.Windows.Forms.Form.WndProc(System.Windows.Forms.Message ByRef)
at System.Windows.Forms.Control+ControlNativeWindow.OnMessage(System.Windows.Forms.Message ByRef)
at System.Windows.Forms.Control+ControlNativeWindow.WndProc(System.Windows.Forms.Message ByRef)
at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr, Int32, IntPtr, IntPtr)

[Couchiman]

dont include http. connection mananger automatically determines type of protocol

[Couchiman]

use servername/orgname
user
pass