Seems to be working fine with JBoss-4.2.x, the server boots fine. (i havent tried with JBoss 5): =============================================================================== | | JBoss Bootstrap Environment | | JBOSS_HOME: D:\JBoss-4.2.2\jboss-4.2.2.GA | | JAVA: c:\jdk1.5.0_07\jre\bin\java | | JAVA_OPTS: -Dprogram.name=run.bat -server -Xms128m -Xmx512m -Dsun.rmi.dgc.client.gcInterval=3600000 -Dsun.rmi.dgc.server.gcInterval=3600000 | | CLASSPATH: D:\JBoss-4.2.2\jboss-4.2.2.GA\bin\run.jar | | =============================================================================== | | 14:48:42,698 INFO [Server] Starting JBoss (MX MicroKernel)... | 14:48:42,698 INFO [Server] Release ID: JBoss [Trinity] 4.2.2.GA (build: SVNTag=JBoss_4_2_2_GA date=200710221139) | 14:48:42,698 INFO [Server] Home Dir: D:\JBoss-4.2.2\jboss-4.2.2.GA | 14:48:42,698 INFO [Server] Home URL: file:/D:/JBoss-4.2.2/jboss-4.2.2.GA/ | 14:48:42,698 INFO [Server] Patch URL: null | 14:48:42,698 INFO [Server] Server Name: jaikiran | 14:48:42,698 INFO [Server] Server Home Dir: D:\JBoss-4.2.2\jboss-4.2.2.GA\server\jaikiran | 14:48:42,698 INFO [Server] Server Home URL: file:/D:/JBoss-4.2.2/jboss-4.2.2.GA/server/jaikiran/ | 14:48:42,698 INFO [Server] Server Log Dir: D:\JBoss-4.2.2\jboss-4.2.2.GA\server\jaikiran\log | 14:48:42,698 INFO [Server] Server Temp Dir: D:\JBoss-4.2.2\jboss-4.2.2.GA\server\jaikiran\tmp | 14:48:42,698 INFO [Server] Root Deployment Filename: jboss-service.xml | 14:48:43,120 INFO [ServerInfo] Java version: 1.5.0_07,Sun Microsystems Inc. | 14:48:43,120 INFO [ServerInfo] Java VM: Java HotSpot(TM) Server VM 1.5.0_07-b03,Sun Microsystems Inc. | 14:48:43,120 INFO [ServerInfo] OS-System: Windows 2003 5.2,x86 | 14:48:43,885 INFO [Server] Core system initialized | | java -version Also, do you have a folder named 'server' under /cygdrive/c/jre1.5.0_07/bin folder? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4126048#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...