When you try to activate your trial version of True Image 2013 by Acronis, you get an error. You cannot activate a trial version. Please ignore this message.

This article describes how to activate online backup. Make sure you have an account at the Acronis website, then log into your account through the product.

How to activate the product after installation

How to move an activated Acronis Small Office license to a different machine

Purpose and general description of activation

Purpose and general description of activation

How to activate True Image 2013 by Acronis 

How to move an activated True Image 2013 by Acronis license to a different machine

Purchase a new license or move one of the activations to your current machine

This article applies to:

  • Acronis True Image 2015

You are trying to activate Acronis True Image using offline activation and get this error. Select the right license file or enter the activation code manually.

Reactivating your copy of Acronis True Image 2014 or moving the installation to a different machine

Windows activation is required after restore using Acronis Universal Restore or converting a windows based partition backup to different hardware or virtual environment. This is not an Acronis issue. It is a Windows native functionality.


Activation makes sure you are using Acronis Backup in the compliance with Acronis Licensing Policy and Acronis end user license agreement (EULA) [pdf]. In most cases, one purchased Acronis Backup license key allows protection of one physical machine.

Owners of Acronis True Image 2018 Upgrade licenses may notice the following message after entering the serial number for an old version of Acronis True Image:

"This number corresponds to other Acronis product, not Acronis True Image 2018"

Applies to:

Acronis True Image 2018 with build numbers from 9207 to 10410 included.


This article applies to the following scenarios. You may see just one of them or both.

Scenario A. Successful license activation status changes to "Activation required".

1. Acronis True Image 2018 license was successfully activated using the "offline" activation method because the computer was not connected to the Internet.


Online license activation of Acronis True Image fails if the network connection to Acronis servers is blocked in the firewall software, Windows hosts file, router settings or by Internet Service Provider (ISP).

Users of Acronis True Image 2018 Standard can activate Acronis True Image using the offline method, as described here.

You want to activate Acronis True image and provide a serial number. The serial number is accepted, but you see this error message:

Activation required! Days remaining: 30

You try to resolve the issue by clicking Resolve issue or Enter serial number, but you see this message in the further steps:

The serial number is registered to another account.

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