Type or paste your 20-character license key into the designated field. Do not include accidental spaces at the beginning or end. Click or Activate .
This usually indicates a network block. Check your server's firewall rules and ensure outbound traffic is permitted to ESET verification domains. If you use a proxy, ensure the credentials are correct under Advanced Settings > Tools > Proxy Server .
Or using egui.exe :
Verify the server has internet access. Check your firewall, proxy server, or network gateway rules to ensure traffic to *.eset.com is permitted. Error: "License Tied to a Different Product"
Before deploying the key, it must exist within your management console repository. Log into your . Navigate to More > License Management in the left sidebar. Click the Actions button and select Add Licenses .
In the modern digital battlefield, your servers are the crown jewels. They hold your sensitive data, run your critical applications, and manage your entire network infrastructure. Protecting them requires a specialized, lightweight, and powerful solution—.
You should see a green banner saying “Product activated.” Your license expiration date and features will now appear under Help and support .
Deploying robust protection on your server infrastructure is critical for safeguarding corporate data. Once you purchase ESET Server Security (formerly ESET File Security), activating the software with your license key is the essential next step to enable real-time threat detection and official database updates.
You now have the knowledge to handle standard online activation, complex offline air-gapped environments, and every error code in between. Remember: A valid, correctly installed license ensures you receive critical virus definition updates twice daily, access to 24/7 technical support, and legal compliance with your software agreement.
Read the ESET License Agreement, select I accept the Terms of Use , and click Next .
The ESET PROTECT Agent installed on your target servers will pull this task during its next replication interval and apply the license key silently in the background. Method 3: Offline Activation Using a License File ( .lf )
If activation fails, refer to the following common scenarios:
You must log into the underlying server operating system with full administrator rights.
A pop-up will ask if you want to create a trigger. Click .
To ensure a smooth installation, please have the following information and prerequisites ready: