If you manage computers that cannot connect to the internet, or you need to update ESET products in an isolated network, use the method.
Enter the UNC path (e.g., \\InternalServer\EsetUpdates ).
Implementing ESET offline updates is essential for maintaining a robust security posture in air-gapped networks, regulated industries, or remote locations with limited connectivity. By leveraging the ESET Mirror Tool, offline activation files, and centralized management via , you can ensure all endpoints receive the latest virus signature database (VSD) and program module updates without an internet connection.
MirrorTool.exe --mirrorType regular --intermediateUpdateDirectory C:\temp --outputDirectory C:\mirror --offlineLicenseFilename license.lf Use code with caution. eset offline update
The most efficient way to manage offline updates across a network is by creating a mirror server. You can do this using the ESET Mirror Tool or an internet-connected ESET endpoint.
Use Windows Task Scheduler or Linux Cron jobs on your internet-facing staging machine to run the Mirror Tool automatically every night. Troubleshooting Common Offline Update Issues
Save the archive file to a temporary location. If you manage computers that cannot connect to
Environments where outbound traffic is heavily restricted.
The ESET Mirror Tool is the official, automated utility for creating a local update repository. It downloads the latest detection engines directly from ESET servers and organizes them into a folder structure that endpoints can read.
: On the computer that is not connected to the internet, open your ESET product. Press F5 to access "Advanced setup." Navigate to Update > Profiles > Update Mirror . Click the toggle next to "Create update mirror" to enable it. Next to "Storage folder," click "Edit..." and set the path to the folder where you will place the downloaded files (e.g., C:\mirror\out ). Finally, verify that the toggle next to "Enable HTTP Server" is enabled. You can optionally configure a username, password, or port for security. Click **OK. By leveraging the ESET Mirror Tool, offline activation
Critical database or production servers are often blocked from accessing the public web to minimize the attack surface. Core Prerequisites
Open the Command Prompt (cmd) as an administrator on your internet-connected machine.
For isolated computers running standalone versions of ESET Endpoint Security or ESET NOD32 Antivirus, you can configure the software to update directly from a local directory or a USB drive containing the update files.
