Method 2: Upgrading using simultaneous cluster upgrade

Last Updated : Nov 11, 2025 |

You can use this method to simultaneously upgrade all nodes within a cluster within five minutes of each other.

  • This method is not supported for upgrades to Avaya Breeze® platform R3.9 from earlier releases. Refer to Method 1, which outlines the supported upgrade procedure. For more informaton, see Method 1: Upgrading using OVA reinstallation.

    Note:

    This method is not supported for upgrades from R3.9.0.0 to higher releases. This method is supported for upgrades from R3.9.0.2 to higher releases.

  • This upgrade method is service impacting and should only be performed during a maintenance window.

  • You can perform this method of upgrading in the following ways:

    • Using a ISO file.

    • Using an OVA file through System Manager Solution Deployment Manager (SDM).