# Setting Up CommServe LiveSync for an Existing CommServe Server

You can set up a CommServe LiveSync for an existing CommServe server.

## Step 1: Plan for CommServe LiveSync Setup

Verify that the prerequisites needed to setup the environment are available before setting up the CommServe LiveSync feature. For more information on the components needed to setup CommServe LiveSync feature, see Planning for the CommServe LiveSync Setup.

## Step 2: Upgrade the Existing (Production) CommServe Host to the Most Recent Feature Release

Upgrade the existing CommServe to the most recent Commvault feature release.

## Step 3: Install the CommServe Failover package on the Production CommServe Host

The SQL Server Agent and the CommServe Failover package must be installed as a second instance. For more information on installing the CommServe Failover package, see Installing the CommServe Failover Package on the Production CommServe Host.

## Step 4: Install the Standby CommServe Host

Install the Commvault software packages on the standby CommServe host. For more information on installing the packages on the production CommServe host, see Installing the Standby CommServe Host.

## Step 5: Enable the LiveSync Operations

Enable the CommServe LiveSync feature which facilitates CommServe Recovery Using CommServe LiveSync. For more information on enabling the LiveSync operation, see Enabling CommServe LiveSync.

## Step 6: Verify the Default Setup

Verify the setup from the production CommServe host to ensure that the default components are installed and configured properly. For more information, see Verifying the Default Setup.

## Step 7: Verify Disaster Readiness

Perform a test failover to ensure successful production failovers. Test failovers do not affect the current jobs and activities on the production CommServe host. For more information on performing a test failover, see Verifying Disaster Readiness.

## What to Do Next

- Connect the Web Server and the Workflow Engine to the CommServe computer to ensure that the ODBC connection to the CommServe host is established. For more information about connecting these servers, see Configuring Connectivity to Remote Web Server and Workflow Engine Clients.

- Perform a production failover to switch the CommServe server from the currently active CommServe host to a standby CommServe host. For more information on performing production failovers, see Performing Production Failovers.

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