Navigate to Update and click Check for updates to ensure the latest signatures are loaded. Troubleshooting License Key Installation

To install and activate ESET Server Security (ESS) using a license key, follow the steps below based on your operating system. Windows Server Installation & Activation

If you are trying to activate more servers than your license allows, you must deactivate a previous server or purchase more licenses. Why Choose ESET Server Security?

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Complete the installation wizard. The server will immediately download the latest detection engine and begin real-time protection.

If you are managing a standalone server or prefer a direct graphical approach, activating locally through the ESET user interface is the most straightforward method. Step 1: Open the ESET Interface

Run the activation script provided by the daemon, appending your license key: /opt/eset/eea/sbin/lic --key XXXX-XXXX-XXXX-XXXX-XXXX Use code with caution.

sudo sh ./efs.x86_64.bin -n

This is the standard method for servers with internet connectivity.