A valid, 20-character license key (format: XXXX-XXXX-XXXX-XXXX-XXXX ) provided by ESET.
ESET Server Security for Linux uses the lsagent utility to manage licensing.
Check for typos. Copy-pasting is recommended.
Visit the official ESET business download page and obtain the latest installation file for Windows Server. eset server security license key install
Open ESET Server Security on the isolated server, go to , and choose Offline File .
Are you managing this server or via ESET PROTECT ?
If you prefer to use your distribution’s native package management, run: Copy-pasting is recommended
If you encounter issues while installing your license key, use these troubleshooting steps to resolve the most common errors. Error: "Activation Failed - Invalid License Key" The key was mistyped or has expired.
Are you encountering a during the activation process? Share public link
Log in to your ESET PROTECT Cloud or On-Prem Web Console. Are you managing this server or via ESET PROTECT
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
If you have reached your seat limit, you must deactivate an old server via the ESET Business Account portal before activating a new one.
Best for Server Core environments or mass deployment scripts.
Click . The task will execute automatically, and you can monitor the progress in the Task Dashboard . Troubleshooting Common Activation Errors