Verify all latest available service packs and security rollups are installed. How to Download Legacy Installers
Before downloading or installing any ESET product, your server support SHA-2 code signing . Without these Microsoft patches, the ESET installer will fail or the product will not receive module updates.
Official legacy installers are not always visible on the main "latest downloads" page. To find them: Running ESET on Windows Server 2008 R2 - ESET End of Life eset endpoint security download windows server 2008
To maintain security on this legacy OS, you must use specific product versions that are still compatible with the older architecture.
Downloading and installing for Windows Server 2008 (and 2008 R2 ) requires using legacy versions, as modern editions no longer support these operating systems. Because Microsoft ended official support for this OS in January 2020, ESET provides limited support through specific older product versions to ensure at least baseline protection for legacy infrastructure. Supported Versions and Compatibility Verify all latest available service packs and security
Version 7.x or 9.x are generally compatible, while version 10.x and later will not support these systems.
Version 9.0 is the final major release officially supported on Windows Server 2008 R2 . Version 10 and later require Windows Server 2012 or newer. Official legacy installers are not always visible on
If using a management console, ESET Management Agent 10.1 is the final version compatible with Windows Server 2008 R2. Critical Prerequisites: SHA-2 Compatibility