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Install, Upgrade, and Maintenance Guide for Cisco Unity Connection Release 10.x
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Configuring Cisco Unity Connection Cluster
The Cisco Unity Connection cluster deployment provides high availability voice messaging through the
two servers that run the same versions of Unity Connection. The first server in the cluster is the publisher
server and the second server is the subscriber server.

Task List for Configuring a Unity Connection Cluster

Do the following tasks to create a Unity Connection cluster:
1. Gather Unity Connection cluster requirements. For more information, see System Requirements for
Cisco Unity Connection Release 10.x at
www.cisco.com/en/US/docs/voice_ip_comm/connection/10x/requirements/10xcucsysreqs.html.
2. Install the publisher server. For more information, see the Installing the Publisher Server, page1-12
section.
3. Install the subscriber server. For more information, see the Installing the Subscriber Server,
page 1-15 section.
4. Configure the Cisco Unified Real-Time Monitoring Tool for both publisher and subscriber servers
to send notifications for the following Unity Connection alerts:
•AutoFailbackFailed
•AutoFailbackSucceeded
•AutoFailoverFailed
•AutoFailoverSucceeded
•NoConnectionToPeer
•SbrFailed
For instructions on setting up alert notification for Unity Connection alerts, see the “Cisco Unified
Real-Time Monitoring Tool” section of the Cisco Unified Real-Time Monitoring Tool
Administration Guide for the required release, available at
http://www.cisco.com/en/US/products/ps6509/prod_maintenance_guides_list.html.
5. (Optional) Do the following tasks to customize the cluster settings on the publisher server:
a. Sign in to CiscoUnity Connection Administration.
b. Expand System Settings > Advanced and select Cluster Configuration.
c. On the Cluster Configuration page, change the server status and select Save. For more
information on changing the server status in a cluster, see Help> This Page.