Eset Offline Update ((top)) Jun 2026

Manual ZIP files expire quickly. You must download a fresh ZIP every 7-14 days, as the digital signature on offline update files is time-sensitive.

For organizations managing hundreds of offline endpoints, a single USB is impractical. Instead, you create a —a server inside your offline network that acts as an official ESET repository.

You can configure the ESET PROTECT server to act as an HTTP server. Offline endpoints on the same segmented network can be pointed to the ESET PROTECT server’s IP address to pull their updates automatically. Best Practices for Offline Updates

The machine requiring the update (the "target" machine).

To maintain a strong security posture in air-gapped environments, follow these best practices: eset offline update

Create a folder on your computer to store the downloaded updates (e.g., C:\ESET_Mirror ).

Once the update files are transferred to the offline machine, configure the ESET endpoint software to pull data from the local directory instead of the cloud servers. Step 1: Import the Offline License

In the field, enter the full path to your mirror folder (e.g., C:\eset_mirror or \\Server\eset_mirror ).

For larger networks, using the is more efficient. This allows you to download updates once and distribute them to multiple offline workstations, as detailed in KB7104 . 1. Enable the Update Mirror Open your ESET endpoint application . Press F5 to access Advanced Setup . Click Update → Profiles → Update Mirror . Enable Create update mirror and set the Storage folder . Ensure Enable HTTP Server is enabled. 2. Configure ESET PROTECT Policy Open the ESET PROTECT Web Console. Create a new Policy for your endpoints. In Settings , navigate to Update → Profiles → Updates . Disable Choose automatically . Manual ZIP files expire quickly

To perform an , you must use the Mirror Tool on a computer with internet access to download necessary update files, then transfer them to your offline machine via a shared folder or removable media. Note that this "mirror" feature is generally reserved for business products (like ESET Endpoint Security); home products typically require an active internet connection to update. Step 1: Prepare the Mirror (Computer with Internet)

Plug the USB drive into the offline computer (or copy the files to a local directory like C:\OfflineUpdates ). Open the ESET application and press for Advanced Setup . Click Update -> Profiles .

For managed environments using ESET PROTECT , you can push policies to offline clients that point them to the local Mirror IP address instead of ESET's official update servers. Key Advantages

: Still in the target computer's "Advanced setup," click on Update > Profiles > My Profile > Updates . Click the toggle next to "Choose automatically" to disable it. In the "Custom server" field, you must now enter the address of your mirror. If you enabled the HTTP server on the source computer, you would use an address like http://[IP ADDRESS OF SOURCE COMPUTER]:[PORT] . If you are simply using a shared folder, you might use the file path directly. Click **Continue. Instead, you create a —a server inside your

Note: For organizational users, ESET PROTECT On-Prem can act as a repository and mirror server to facilitate this process automatically for multiple machines.

Create a folder named MirrorTool and extract the downloaded file into it. Open your command prompt (cmd) as an administrator, navigate to the folder, and run the command to download the update files. A standard Windows command structure looks like this:

Before you begin, ensure you have the following components ready:

Ensure the path entered in Step 3 is correct, and that ESET has read permissions for the folder.

: For environments managed by ESET PROTECT , you can set up an offline repository address in the policy settings to direct clients to a local source for both module and product updates. 📝 Step-by-Step Configuration (Standalone Client)

In an era where cyber threats evolve by the second, keeping your antivirus software updated is non-negotiable. However, what happens when you are responsible for computers that simply cannot connect to the internet? Whether you manage air-gapped systems in a government facility, a media server in a remote cabin, or a network of legacy industrial machines, the feature is your most critical tool.