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{note:title=Notice}For Server Backup 5.2.x and later, you must upgrade the components in the following order or your backups may fail:
* Data Center Console (if applicable)
* Backup Manager
* Backup Agent

To upgrade the Backup Agent on Linux, follow the instructions below.

1. Perform the following manual steps before the upgrade:

Stop the Backup Agent by executing the following command:

{code}service cdp-agent stop{code}
{code}/etc/init.d/cdp-agent stop{code}
Verify that there are no running or defunct {{cdp-2-6}} processes by running:

{code}ps ax | egrep –i c[d]p
2. Proceed with the upgrade:

yum install serverbackup-enterprise-agent{code}

Enter "y" to confirm the command.

3. Start the new Server Backup Agent:

{code}service cdp-agent start{code}

To verify the most recent version of the Agent is running, run the following command:

{code}egrep "Agent Version|Starting" /usr/sbin/r1soft/log/cdp.log | tail -n2{code}

A Full Block Scan will be initiated after an agent upgrade due to a restart of the agent service/daemon. This ensures replicas are consistent.

{excerpt:hidden=true}Instructions on how to upgrade the Backup Agent on CentOS, RHE, and Fedora.{excerpt}