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It is easy to make a mistake when configuring a new security realm or security providers. A mistake may make it impossible to boot the server to correct the mistake. Reverting the configuration XML files will reinstate a previous realm configuration.
By default, the Administration Server archives up to 5 previous
      versions of the configuration files in the
      domain-name/configArchive directory, in JAR
      files named config.jar#1,
      config.jar#2, etc. The archived files are rotated so
      that the newest file has a suffix with the highest number. For more
      information, see Understanding
      Domain Configuration for Oracle WebLogic Server.
To revert to a previous security configuration:
config.jar file that contains the security
        configuration to which you want to revert, copy it to a temporary
        directory, and unpack it.
      domain-name/config directory. For
        information about which directories hold which configuration files,
        see Domain
        Configuration Files.
      After you finish
Restart WebLogic Server so that your changes can take effect.
Note: Note this process will only revert your security realm (meaning, the configuration of the realm and its providers) not users, groups, roles, or security policies used by the realm, which are persisted in a data store and not in the configuration files. For information about backing up information that is persisted in a data store, see Export data from a security provider.
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