Win2003 upgrading a 7.0 server to 7.1. It fails early with unable to install JBoss and bites the dust. No clue where to go. The installer log has this:
2010-06-07 12:03:28,029 INFO com.interwoven.wcm.jboss.install.tasks.install.IWJbossServiceReg - Start of runTask
2010-06-07 12:03:28,060 INFO com.interwoven.wcm.jboss.install.tasks.install.IWJbossServiceReg - JbossService Path ::

\Interwoven\ApplicationContainer\bin
2010-06-07 12:03:28,060 INFO com.interwoven.wcm.jboss.install.tasks.install.IWJbossServiceReg - Java Path ::

\Interwoven\FoundationLibraries\JDK
2010-06-07 12:03:28,060 DEBUG com.interwoven.wcm.jboss.install.tasks.install.IWJbossServiceReg - Jboss Service install command ::

\Interwoven\ApplicationContainer\bin\JBossService.exe -install iwjbossd

\Interwoven\FoundationLibraries\JDK\jre\bin\server\jvm.dll -Djava.class.path=D:\Interwoven\FoundationLibraries\JDK\lib\tools.jar;D:\Interwoven\ApplicationContainer\bin\run.jar; -Diw.log.path=D:\Interwoven\ApplicationContainer\server\default\log -Diw.admin.config=D:\Interwoven\ApplicationContainer\config -Djava.endorsed.dirs=D:\Interwoven\ApplicationContainer\lib\endorsed -Djs.license.directory=D:\Interwoven\ApplicationContainer\config "-Xms256m" "-Xmx775m" "-XX

ermSize=256m" "-XX:MaxPermSize=512m" -Xss2m -start org.jboss.Main -params -b 0.0.0.0 -stop org.jboss.Main -method systemExit -out

\Interwoven\ApplicationContainer\server\default\log\iwjboss_server_out.log -err

\Interwoven\ApplicationContainer\server\default\log\iwjboss_server_err.log -current

\Interwoven\ApplicationContainer\bin -displayname "Interwoven Jboss Application Server"
2010-06-07 12:03:28,060 DEBUG com.interwoven.wcm.jboss.install.tasks.install.IWJbossServiceReg - Jboss Service uninstall command ::

\Interwoven\ApplicationContainer\bin\JBossService.exe -uninstall "Interwoven Jboss Application Server"
2010-06-07 12:03:28,076 INFO com.interwoven.wcm.jboss.install.utils.CommandAndServiceUtil - Start of executeCommand for :

:\Interwoven\ApplicationContainer\bin\JBossService.exe -install iwjbossd

\Interwoven\FoundationLibraries\JDK\jre\bin\server\jvm.dll -Djava.class.path=D:\Interwoven\FoundationLibraries\JDK\lib\tools.jar;D:\Interwoven\ApplicationContainer\bin\run.jar; -Diw.log.path=D:\Interwoven\ApplicationContainer\server\default\log -Diw.admin.config=D:\Interwoven\ApplicationContainer\config -Djava.endorsed.dirs=D:\Interwoven\ApplicationContainer\lib\endorsed -Djs.license.directory=D:\Interwoven\ApplicationContainer\config "-Xms256m" "-Xmx775m" "-XX

ermSize=256m" "-XX:MaxPermSize=512m" -Xss2m -start org.jboss.Main -params -b 0.0.0.0 -stop org.jboss.Main -method systemExit -out

\Interwoven\ApplicationContainer\server\default\log\iwjboss_server_out.log -err

\Interwoven\ApplicationContainer\server\default\log\iwjboss_server_err.log -current

\Interwoven\ApplicationContainer\bin -displayname "Interwoven Jboss Application Server"
2010-06-07 12:03:28,560 INFO com.interwoven.wcm.jboss.install.utils.CommandAndServiceUtil - End of executeCommand
2010-06-07 12:03:28,560 DEBUG com.interwoven.wcm.jboss.install.tasks.install.IWJbossServiceReg - Fail to create Jboss Service by executing command

\Interwoven\ApplicationContainer\bin\JBossService.exe -install iwjbossd

\Interwoven\FoundationLibraries\JDK\jre\bin\server\jvm.dll -Djava.class.path=D:\Interwoven\FoundationLibraries\JDK\lib\tools.jar;D:\Interwoven\ApplicationContainer\bin\run.jar; -Diw.log.path=D:\Interwoven\ApplicationContainer\server\default\log -Diw.admin.config=D:\Interwoven\ApplicationContainer\config -Djava.endorsed.dirs=D:\Interwoven\ApplicationContainer\lib\endorsed -Djs.license.directory=D:\Interwoven\ApplicationContainer\config "-Xms256m" "-Xmx775m" "-XX

ermSize=256m" "-XX:MaxPermSize=512m" -Xss2m -start org.jboss.Main -params -b 0.0.0.0 -stop org.jboss.Main -method systemExit -out

\Interwoven\ApplicationContainer\server\default\log\iwjboss_server_out.log -err

\Interwoven\ApplicationContainer\server\default\log\iwjboss_server_err.log -current

\Interwoven\ApplicationContainer\bin -displayname "Interwoven Jboss Application Server"
2010-06-07 12:03:28,560 DEBUG com.interwoven.wcm.jboss.install.tasks.install.IWJbossServiceReg - CommandAndServiceUtil.executeCommand return value :: -1
2010-06-07 12:03:28,576 ERROR com.interwoven.wcm.install.framework.ia.Driver -
com.interwoven.wcm.install.util.InstallException: Unable to install Interwoven Jboss Apllication Server service please click next to continue
at com.interwoven.wcm.jboss.install.tasks.install.IWJbossServiceReg.runTask(IWJbossServiceReg.java:178)
at com.interwoven.wcm.install.api.CompositeTask.runTask(CompositeTask.java:134)
at com.interwoven.wcm.install.api.CompositeTask.runTask(CompositeTask.java:134)
at com.interwoven.wcm.install.framework.MultiComponentCompositeTask.runTask(MultiComponentCompositeTask.java:111)
at com.interwoven.wcm.install.framework.ia.Driver.install(Driver.java:477)
at com.zerog.ia.installer.actions.CustomAction.installSelf(DashoA10*..)
at ZeroGaei.run(DashoA10*..)
Nothing in the iwjboss_server_out or _err logs.
Tips/Pointers/RTFMs appreciated.