The root cause is that Federation Manager can not find the right authentication module XML file due to the use of an incorrect file separator. This problem happens with JDK 1.4.x only.
WORKAROUND: Run the following command to add the proper separator before the final start command in the startWeblogic.bat script:
# set JAVA_OPTIONS=%JAVA_OPTIONS% -Dfile.separator=/ # echo %JAVA_OPTIONS% |