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The SBC application revert from this release to the previous version is performed using the SBC EMA with the following prerequisites:

• The firmware is not reverted back to an earlier version because it is backward compatible with earlier

  Spacevars
  0 product

  versions.
  
• Any configurations performed after the upgrade will be lost after the Revert. Once the revert completes, the configuration rolls back to the time stamp in the 'Last Used' field.
  
• Once a revert is performed to a valid pre-6.0 SBC release, an upgrade to another pre-6.0 release is not supported. Upgrading to any other pre-6.0 releases requires the ConnexIP re-ISO installation. Refer to Re-Installing ConnexIP Operating System for SBC 5000 Series or Re-Installing ConnexIP Operating System for SBC 7000 Series for more information on ConnexIP re-ISO installation.
  
• Only the systems upgraded (offline or LSWU) can be reverted. The system can not be reverted to an older version when the server/system is ISOed or the SBC software is installed.

The following procedure describes the 

1. Launch the EMA (from either the active or standby server). Refer to Logging into EMA in Platform Mode for guidance.

    

2. Navigate to Monitoring > Dashboard > System and Software Info to verify the versions.
   (An example screenshot is shown below. Your actual software version may vary).

   Caption
   0 Figure 1 New Application and OS Version

3. Navigate to Administration > System Administration screen.

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   0 Figure 1 System Administration Screen

4. Click Revert Software Version.
   The Revert Software Version screen is displayed displaying the system or partition for the current version and the older version.
   (An example screenshot is shown below. Your actual software version may vary).

   Caption
   0 Figure 1 Revert Software Screen

5. Click to start the revert.

6. A confirmation message appears on the screen informing you this action will change the boot software version to the previous release, plus warn you that this is a service-impacting action. Click Ok to proceed.

   Note
   title Caution
   The Revert Software application simultaneously reverts both the Active and Standby server. Continuing the revert will reboot the upgraded server(s) to an earlier release. During this process, the browser session is lost necessitating logging back into the session.

   
   The Revert Software starts and changes the boot version to earlier version in both the active and standby server. For example, in this case, it is 06.02.00R000 version. You can see the revert status in the Log section.

   Caption
   0 Figure 1 Revert Logs

   Caption
   0 Figure 1 Continuing Revert Operation

7. Once you see Rebooting message in the logs, log out from the EMA.

   Caption
   0 Figure 1 Rebooting SBC Platform