While optimized for Windows Server (2016, 2019, 2022), it also supports Linux environments. Licensing Guide
: For servers without internet access, the ESET Business Account allows you to generate an Offline License File (.lf) using your license key to activate the product locally. Eset Server Security License Key
Maximizing Your Protection: The Ultimate Guide to ESET Server Security License Keys While optimized for Windows Server (2016, 2019, 2022),
If you renew early, the new expiration date will not take effect until your current one passes—you don't lose any days of coverage. While optimized for Windows Server (2016
A: Only during initial activation and for periodic verification (every 30-60 days). For offline air-gapped servers, use the .lic file method.
Securing a modern server environment requires more than just basic antivirus. ESET Server Security