Upgrade Guide with ISO and Template

Important

  • For VOSS-4-UC release 20.1.1, refer to the VOSS-4-UC 20.1.1 Release Changes and Impact document for details on model and workflow changes. Customizations related to these changes may be affected.

  • From Release 19.2.1 onwards, the minimum RAM hardware requirements for all unified nodes is 16GB.

    Refer to the topic on Memory (RAM) Increase for Large End User Capacity in the Platform Guide for steps to upgrade your virtual machine.

  • When upgrading from any of the following versions, first obtain and apply the patch corresponding to your version from

    https://voss.portalshape.com > Downloads > VOSS-4-UC > [version_number] > patches:

    version numbers:

    • 19.1.2 - EKB-3853-19.1.2_patch
    • 19.2.1 - EKB-3853-19.2.1_patch
    • 19.3.1 - EKB-3853-19.3.1_patch
    • 19.3.2 - EKB-3853-19.3.2_patch

Note

Normal operations will be interrupted during an upgrade. Carry out the upgrade in a maintenance window. Refer to the type of upgrade for details on the upgrade duration.