Navigate to > License usage and click Activate through file .

More than 7 days between generating .req and importing .lic . Fix: Regenerate a new request file on the offline server (delete old .lic if present). The counter resets.

Reference links and tools (for administrator use)

Select under the "I do not have an activation file" section and save it to a removable drive. Obtain Activation File (Online Machine) :

: While subscription licenses require periodic syncing, perpetual licenses can be activated offline but may still have restricted access to certain cloud-to-cloud features.

Acronis Cyber Protect 15 (ACPI 15) normally activates online by communicating with Acronis’ licensing servers. However, in secure or air-gapped environments—where the machine has —you must use offline activation. Common scenarios include: