I have outlook 2003 with all patches loaded.
When I attempt to use it I suddenly get the attached.
I also get this message in my System Log:
The Security System could not establish a secured connection with the server cifs/192.168.100.10. No authentication protocol was available.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp
192.168.100.10 is my server which is a Microsoft 2008 server