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# Updating (or Installing) the ArcMC Agent

Hosts running an outdated version of the ArcMC Agent can be quickly upgraded to the latest version.

Agent installation or upgrade is supported on all versions of ArcMC Appliance, Connector Appliance (hardware) and Logger Appliance, Software Logger 6.0 or later, and software ArcMC 2.1 or later.

Tip: Check the version of the Agent on each host by clicking the Hosts tab and reviewing the Agent Version column.

To upgrade or install the Agent on one or more hosts:

1. Click Node Management.

2. In the navigation tree, click System, and then click the Hosts tab.

3. Select one or more hosts to update.

4. Click Update Agent. The Agent Upgrade wizard launches. Follow the prompts to complete the Agent Upgrade wizard.