Ensure that you upgrade the platform and hypervisor before starting the upgrade.

• If the application is running on the server that is not supported with Release 10.2.x, then deploy Avaya Solutions Platform 130.

  For information about supported servers, see Supported servers for Avaya Aura applications.

• If the application is running on the ESXi version that is not supported with Release 10.2, then first upgrade the ESXi to a supported ESXi version.

  For information about the supported ESXi version, see Supported ESXi version.

  For information about upgrading ESXi, see the VMware product documentation.

• If ESXi is managed by vCenter, ensure that the vCenter version is same or higher than the ESXi version.