Admin Server not serving

I reset the i.p. on the box where SunOne Web Server 6.1 SP6 is installed. The admin server started fine. It prompted me for a login and after logging in I received a 500 Internal Server error. The web server started fine and is serving pages fine. Can anyone offer advice? Thanks.
[287 byte] By [cssedua] at [2007-11-26 13:35:57]
# 1
Hi cssedu,You can found some information about your problem in errors log.This log is stored on [installed_folder]\WebServer6.1\ https-admserv\logsin my case c:\Sun\WebServer6.1\https-admserv\logs.Have a happy new year!
Ges7a at 2007-7-7 22:20:11 > top of Java-index,Web & Directory Servers,Web Servers...