Eset Server Security License Key Install May 2026

Here’s a step-by-step guide to installing an ESET Server Security license key on a Windows server.

Method: Using an Offline License File

Service won’t start:

sudo /opt/eset/efs/sbin/lsagent --activate "<YOUR_20_CHAR_KEY>"

: Ensure no extra spaces are highlighted when copying your key from the confirmation email. System Clock eset server security license key install