ref: metalink 396317.1
In file ‘<OMS_HOME>/Apache/Apache/conf/mod_osso.conf’, to comment out:
OssoConfigFile in <ORACLE_HOME>/Apache/Apache/conf/osso/osso.conf
In file '<OMS_HOME>/sysman/config/emoms.properties', to comment out:
oracle.sysman.emSDK.sec.DirectoryAuthenticationType=SSO oracle.sysman.emSDK.sec.sso.DASHostUrl=http://<host>:<port> oracle.sysman.emSDK.sec.sso.Domain=<domain>