MirrorTool.exe --mirrorType regular --offlineLicenseFilename c:\mirror\offline.lf --outputDirectory C:\mirror\out Use code with caution.
Protects critical infrastructure that must remain disconnected from the public internet.
For completely isolated machines, manually transfer the repository. Mirror Tool - Windows | ESET PROTECT On-Prem 12.0 eset offline update
In high-security environments, such as government agencies or air-gapped corporate networks, keeping security software current without a direct internet connection is a critical challenge. The process solves this by allowing machines to receive detection engine and module updates via a local mirror or removable media. Why Use ESET Offline Updates?
Obtain the MirrorTool.exe from the ESET Standalone Installers page on a machine with internet access. MirrorTool
Use the Command Prompt to trigger the download. A typical command looks like this:
This creates a structured update repository in your output folder. Step 2: Distribute Updates to Offline Clients Mirror Tool - Windows | ESET PROTECT On-Prem 12
Reduces external network traffic by downloading updates once to a central "mirror" server instead of each client downloading them individually.