I have installed JBoss 4.0.2 and it works. I can start JBoss 4.0.2 from Eclipse, and Eclipse recognizes that JBoss 4.0.2 has started. The starting-problem occurs only with JBoss 4.2.3. This is the output from netstat -ab after JBoss 4.0.2 has started: | TCP roell:1098 roell.sip.local:0 | [javaw.exe] | TCP roell:1099 roell.sip.local:0 | [javaw.exe] | TCP roell:4444 roell.sip.local:0 | [javaw.exe] | TCP roell:4445 roell.sip.local:0 | [javaw.exe] | TCP roell:8009 roell.sip.local:0 | [javaw.exe] | TCP roell:8080 roell.sip.local:0 | [javaw.exe] | TCP roell:8083 roell.sip.local:0 | [javaw.exe] | TCP roell:8093 roell.sip.local:0 | [javaw.exe] | This is the output from netstat -ab after JBoss 4.2.3 has started: | TCP roell:1098 roell.sip.local:0 | [javaw.exe] | TCP roell:1099 roell.sip.local:0 | [javaw.exe] | TCP roell:1153 roell.sip.local:0 | [javaw.exe] | TCP roell:1154 roell.sip.local:0 | [javaw.exe] | TCP roell:1157 roell.sip.local:0 | [javaw.exe] | TCP roell:3873 roell.sip.local:0 | [javaw.exe] | TCP roell:4444 roell.sip.local:0 | [javaw.exe] | TCP roell:4445 roell.sip.local:0 | [javaw.exe] | TCP roell:4446 roell.sip.local:0 | [javaw.exe] | TCP roell:8009 roell.sip.local:0 | [javaw.exe] | TCP roell:8080 roell.sip.local:0 | [javaw.exe] | TCP roell:8083 roell.sip.local:0 | [javaw.exe] | TCP roell:8093 roell.sip.local:0 | [javaw.exe] | Running "telnet localhost 1099" from a command line prints an error, that it is not possible to create a connection with the host on port 1099. Connection failed. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4252765#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...