ESET Endpoint Security – Table of Contents

Activation failed

If the activation of ESET Endpoint Security is not successful, the most common scenarios are:

  • Activation key is already in use.
  • You have entered an invalid activation key.
  • Information in the activation form is missing or invalid.
  • Communication with the activation server failed.
  • No connection or disabled connection to ESET activation servers.

Verify that you have entered the proper activation key or attached an Offline activation file and attempt to activate again.

If you cannot activate, the welcome package will walk you through common questions, errors, problems about activation and subscription (available in English and several other languages).