Home > MED-V > MED-V v1: Error: “System.NullReferenceException: Object reference not set to an instance of an object” when trying to browse for users using the “Find” option using the MED-V v1 Server Configuration utility.

MED-V v1: Error: “System.NullReferenceException: Object reference not set to an instance of an object” when trying to browse for users using the “Find” option using the MED-V v1 Server Configuration utility.


When using the MED-V Server Configuration utility (serversettings.exe)) you will get an exception when you attempt to use the search capability to find users in Active Directory.

If you select the permissions tab, then select add, then select find, then select advanced, and then select find now. Finally, select one or two user groups. Click OK twice and you will get the following exception:

 

************** Exception Text **************
System.NullReferenceException: Object reference not set to an instance of an object.
   at Kidaro.Management.Forms.UserSelectionUtils.FindUsers(IWin32Window parent, Boolean localUsers)
   at Kidaro.Management.Forms.UserSelectionUtils.EntitiesFindHandler.Handler(Object sender, FindUsersEventArgs e)
   at Kidaro.Management.Forms.UserSelectionForm.FireFindRequested()
   at Kidaro.Management.Forms.UserSelectionForm.FindClickHandler(Object sender, EventArgs e)
   at System.Windows.Forms.Control.OnClick(EventArgs e)
   at DevExpress.XtraEditors.BaseButton.OnClick(EventArgs e)
   at DevExpress.XtraEditors.BaseButton.OnMouseUp(MouseEventArgs e)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at DevExpress.XtraEditors.BaseControl.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)

This is a known issue in MED-V v1.0 SP1.

The current workaround is to avoid using the Find feature to select multiple users and/or groups. This issue still appears in SP2 for MED-V v1.

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