public static boolean useMSInterop(){
  String propValue=AccessController.doPrivileged(new GetPropertyAction("sun.security.spnego.msinterop","true"));
  return (!propValue.equalsIgnoreCase("false"));
}

public static boolean useMSInterop ( ) { String propValue = AccessController . doPrivileged ( new GetPropertyAction ( "sun.security.spnego.msinterop" , "true" ) ) ; return ( ! propValue . equalsIgnoreCase ( "false" ) ) ; }
determines the spnego interoperability mode with microsoft ; by default it is set to true . to disable it , the application indicates this by explicitly setting the system property sun . security . spnego . interop to false .
