Subscription-based licenses activated offline cannot contact the mothership to refresh automatically. Mark a calendar date before the license expiration to refresh your certificate file manually.

Large setups (e.g., managing 4,000+ licenses) often utilize file-based offline activation to bypass internet bandwidth bottlenecks and retry transmission errors smoothly. Prerequisites Before You Begin

Before beginning, ensure you have the following items ready:

The offline activation workflow functions by generating a deployment registration request file locally, validating it via a web-connected device, and uploading the authorized certificate back into your offline console.

Select the option labeled or Registration file .

An Acronis account is essential for managing licenses and accessing files, even for offline scenarios.

Open the local Acronis Cyber Protect 15 management console on your offline machine. Navigate to > License usage . Select Activate through file .