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Ontrack EasyRecovery Error Code 1521

Written By: Ontrack

Date Published: Oct 3, 2025 3:27:18 AM

Ontrack EasyRecovery Error Code 1521

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Error Code 1521: Activation key is invalid

Error code 1521 indicates that the activation key you entered is invalid. This may be due to a typo or because the key is no longer valid for the specific software you're trying to activate.

  • Activation Failed
  • Activation key is invalid.
  • Error Code:1521

How to Resolve Error Code 1521:

To fix this issue, double-check the activation key you’re using and make sure it’s entered accurately, watch out for typos or incorrect characters. If the key appears correct but still doesn’t work, it may have expired or become invalid, and you’ll need a new one.

If you’ve bought an Ontrack EasyRecovery software product, start by checking your order confirmation for the correct activation key. If you can’t find it, our customer support team is ready to help – please email support@ontrack.com.

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