I am attempting the installation of oem 11gr1. In the configuration assistant portion, the OMSCA is failing with this error. It looks like it is complaining about a port being in use, but I cant tell which one. Any ideas? OEL 64 bit 5.5, Weblogic 10.3.2 Java 1.6.: FINE: MDS Schema is there Jul 26, 2010 1:26:17 PM oracle.sysman.omsca.util.CoreOMSConfigAssistantUtil checkPort SEVERE: Exception: java.net.BindException: Address already in use at java.net.PlainSocketImpl.socketBind(Native Method) at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:336) at java.net.ServerSocket.bind(ServerSocket.java:336) at java.net.ServerSocket.<init>(ServerSocket.java:202) at oracle.sysman.omsca.util.CoreOMSConfigAssistantUtil.checkPort(CoreOMSConfigAssistantUtil.java:2251) at oracle.sysman.omsca.adapter.wls.OMSWLSAdapterUtil.checkNodeMgrPort(OMSWLSAdapterUtil.java:656) at oracle.sysman.omsca.adapter.wls.OMSWLSAdapter.adapterPreReq(OMSWLSAdapter.java:1173) at oracle.sysman.omsca.framework.OMSGenericAdapter.doPreRequisiteChecks(OMSGenericAdapter.java:264) at oracle.sysman.omsca.framework.OMSCAFreshInstall.execute(OMSCAFreshInstall.java:90) at oracle.sysman.omsca.framework.OMSConfigAssistantDriver.main(OMSConfigAssistantDriver.java:210) Jul 26, 2010 1:26:17 PM oracle.sysman.omsca.adapter.wls.OMSWLSAdapter adapterPreReq FINE: OMSWLSAdapter::Failed to validate node manager port Jul 26, 2010 1:26:17 PM oracle.sysman.omsca.framework.OMSCAFreshInstall execute SEVERE: ERROR: Pre req checks of EM failed. Jul 26, 2010 1:26:17 PM oracle.sysman.omsca.framework.OMSConfigAssistantDriver main FINE: Got resultfalse -- Andrew W. Kerber 'If at first you dont succeed, dont take up skydiving.'