The online help URL is used by the Graphical Kerberos Administration Tool, gkadmin, so the URL should be defined properly to enable the “Help Contents“ menu to work. The HTML version of this manual can be installed on any appropriate server. Alternately, you can decide to use the collections at http://docs.sun.com.
The URL is specified in the krb5.conf file when configuring a host to use the Kerberos service. The URL should point to the section titled “Graphical Kerberos Administration Tool” in the “Administering Principals and Policies (Tasks)” chapter in this book. You can choose another HTML page, if another location is more appropriate.