Sun Microsystems Netscape Enterprise Server Administrator's Manual page 55

Sending Error Information to Netscape
• TalkbackInterval: The interval used by the parameter above, in
seconds. The default is 86400 seconds (24 hours).
Note that both variables have no effect unless the Quality Feedback Agent is
turned on. Once you restart the server, the counters are reset and the whole
process starts over.
Chapter 1, Introduction to Enterprise Server 55