Technical information

Ordering Guide

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3.1 Upgrades and Migrations

For general Preparation and Planning materials, see http://www.cisco.com/go/ucmigration, Deployment tab, link

under Documentation for “Preparing for your Migration to Cisco Unified Communications Manager”.

This direction can also be stated as “Starting from Cisco Unified Communications Manager Version X on hardware A,

what do I need to order to upgrade/migrate to Cisco Unified Communications Manager Version Y on hardware B?”

Hardware changes may or may not be desired or required as part of the software upgrade.

This section covers the following scenarios, which are explained in more detail below:

1. Server Migrations - i.e. to a new, different or better server, such as a generation change such as Cisco MCS

7825-H1 to MCS 7825-H2, model change such as Cisco MCS 7825 to MCS 7835 or Cisco MCS 7835 to MCS

7845, manufacturer change such as Cisco MCS 7835-H to MCS 7835-I etc. If you just want to replace, get a

spare, or expand Rail Kits, Fans, Power Supplies, Memory, or Disk drives, see the ordering instructions for Cisco

MCS 7800 Media Convergence Servers.

2. Cisco Unified Communications Manager software upgrades with users, either with or without an associated

hardware change

3. Cisco Unified Communications Manager software upgrades without users, i.e., for Cisco TelePresence

™

Video-only deployments

Before making any orders for upgrades and migrations, first identify the “from” hardware and “from” Cisco Unified

Communications Manager version, and the desired “to” hardware or “to” Cisco Unified Communications Manager

version, depending on which one(s) you intend to change.