For larger offline networks, a mirror server is more efficient. ESET Knowledgebase Prerequisites : You need the ESET Mirror Tool offline license file ) generated from your ESET Business Account Mirror Creation
Ensure the local address is accessible to your offline endpoints (e.g., http://local-server-ip/eset_updt ). Create a in the ESET PROTECT Web Console.
MirrorTool.exe --mirrorType regular --intermediateRepositoryDirectory C:\MirrorTemp --outputRepositoryDirectory E:\ESET_Mirror Use code with caution.
Return to the main program screen, click , and select Check for updates to verify the configuration. Automating the Offline Update Process
Set the to point to your local mirror server's IP address or hostname (e.g., http://192.168.1.50:2221 ). Assign the policy to your offline computer groups. Best Practices for Managing Offline Repositories eset offline update
One machine with unrestricted internet access to download the files, and the target offline machine running the ESET software.
"System," Kael barked. "Rollback. Load offline repository. Version 88."
Method 1: Using the Mirror Tool (Recommended for Businesses)
If you have just one or two isolated computers running ESET NOD32 Antivirus or ESET Smart Security, you can use the traditional offline update file distribution. Step 1: Download the Offline Update Files For larger offline networks, a mirror server is
If you're managing clients with ESET PROTECT or ESET PROTECT On-Prem, the most efficient way to update them is by creating a policy. In the policy settings, select your ESET security application (e.g., "ESET Endpoint for Windows").
: Even for offline updates, your ESET product requires a valid license to function and process the modules.
If using a network share (UNC path), the ESET service runs under the "NT AUTHORITY\SYSTEM" account by default. This account might not have access to your network share. Switch the update distribution to an HTTP server, or configure the update profile in ESET to authenticate using a specific network user account that has permission to read the folder.
The Mirror Tool is the official utility for creating a local repository of update files. MirrorTool
Set up a scheduled script on the mirror machine to run the Mirror Tool command weekly (e.g., via on Windows or a cron job on Linux). Optionally, add the --dryRun parameter to preview the update process and adjust filters as needed.
To update ESET offline, you must first create a on a machine with internet access or use the ESET Mirror Tool . Offline updates are typically a feature of ESET Endpoint (business) products; home products generally require an active internet connection to update .
If you need help with setting up ESET PROTECT in an air-gapped environment or want to discuss automated mirror solutions,
Essential for military, government, or critical infrastructure networks that must remain completely disconnected from the outside world.