If a customer needs to uninstall and reinstall the Deep Security Agent on a server, they can follow these steps:

1. Deactivate the agent.
2. Remote to the computer and manually uninstall the Deep Security Agent.
3. Download the target version that you want and save it to the target computer.
4. Install the Deep Security Agent manually.

By following these steps, customers can ensure that the Deep Security Agent is properly installed and compatible with the Deep Security Manager.