Direct Upgrade Procedure for Virtualized Cisco Unified Communications Manager Release 8.0(2)–9.0(1) to 9.1(x)
Introduction
This document provides procedures for performing a direct upgrade to Cisco Unified Communications Manager (Unified Communications Manager) Release 9.1(x) from virtualized Releases 8.0(2) through 9.0(1).
About direct upgrades
Unified Communications Manager Releases 8.0(2) and higher support virtualization.
This document is applicable to Unified Communications Manager clusters with the following environment:
• Any of the following Unified Communications Manager Releases are installed: 8.0(2) through 9.0(1).
• Your current Unified Communications Manager release is running in a virtualized environment.
• No changes are required to the IP addresses or hostnames for the Unified Communications Manager upgrade. If you need to change IP addresses or hostnames, you must do so in a separate maintenance window, prior to the upgrade. For more information, see Changing the IP Address and Hostname for Cisco Unified Communications Manager, Release 9.1(1).