<A target="_blank" href="http://www-01.ibm.com/support/docview.wss?uid=swg21499034&myns=swglotus&mynp=OCSSCVRGU&mynp=OCSSKTMJ&mync=E">This Technote explains how to use NSD on your workstation or server</A> to collect stack information about a hang or crash. This is for version 8.5.3 of Notes and Domino.