Apache server doesn't start when mod_sm.so is loaded

I have an Apache 1.3 on a Sun machine (SunOS 5.10 Generic_138888-01 sun4u sparc SUNW,Sun-Fire-15000). If I keep the following two lines in httpd.conf, the server will not start: LoadModule sm_module "/cmsm_sw/epiapr1/netegrity/webagent/bin/mod_sm.so"
SmInitFile "/apache/conf/WebAgent.conf" This is all I get when I try to start Apache: :/apache/bin # ./apachectl start
1392: CSemCounter created a semaphore with ID 1157627995 using key 989855746. The mod_sm.so is the netegrity siteminder module (iPlanet). Today there were some network issue (which were solved in the mean time) so I assume that this might have something to do. Maybe I should restart some services? I appreciate any help/hints.