HP-UX SNAplus2 MS Programmer's Guide

Introduction to Management Services
Management Services Applications
Chapter 128
5. After the application ends its registration with SNAplus2, it must
issue a DISCONNECT_MS_NODE verb to end communication with
the SNAplus2 node and free the resources associated with the
application.
For more information about the synchronous and asynchronous entry
points, see “Description of the MS API Entry Points”.