####<Apr 4, 2011 4:39:45 PM CST> <Critical> <Security> <ydcrh07> <admserver> <main> <<WLS Kernel>> <> <BEA-090402> <Authentication denied: Boot identity not valid; The user name and/or password from the boot identity file (boot.properties) is not valid. The boot identity may have been changed since the boot identity file was created. Please edit and update the boot identity file with the proper values of username and password. The first time the updated boot identity file is used to start the server, these new values are encrypted.>

http://weblogictips.wordpress.com/2010/05/12/how-to-resolve-authentication-denied-boot-identity-not-valid/

# # Get the credentials and pass phrase from an existing domain's config.xml.
#    No need if multi-server
WLS_EMBEDDED_LDAP_CREDENTIAL={3DES}rwRoiBxhO+CGCfe6/yEiApBtHi+j7OtrBktXJwZWXmM=
WLS_SECURITY_CONFIGURATION_CREDENTIAL={3DES}BfaSqAkWI3aQyl0nchniS66dClX88QrGkEyuWLBB+ZQiRgybV/W9+lbjLdOSjU6gFV1CrBcUXg1Mcoi4d24u28OTmxQhhoaF

#
# If WHICH_EJB_CONTAINER is "weblogic",
#      EJB_ADMIN and JMS_ADMIN must be the same as the WebLogic server.
EJB_ADMIN_USERNAME=wlsadmin
EJB_ADMIN_PASSWORD=678admin
JMS_ADMIN_USERNAME=wlsadmin
JMS_ADMIN_PASSWORD=678admin