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If a backup report email contains the following: “The backup encountered a problem during startup: Authentication error” AND the error occurs when attempting to backup a schedule (either with ‘Backup Now’ or when the scheduled time comes), the steps in this article should apply. 

An immediate workaround for this issue is to perform a manual backup via the “Backup” button on the main client window.

This error may be caused by a startup issue with your hosts.agent file. Navigate to the eSilo, LLC\eSilo Backup\etc folder and check to confirm the hosts.agent file points to the correct eSilo service:

If you need assistance with any of the above, send us an email at support@esilo.com. You can also use a form to contact eSilo Support to have our engineers perform a full user check which should detect and resolve the problem. 

If you need assistance with any of the above, send us an email at support@esilo.com. You can also use a form to contact eSilo Support to have our engineers perform a full user check which should detect and resolve the problem. If you need assistance with any of the above, send us an email at support@esilo.com. You can also use a form to contact eSilo Support to have our engineers perform a full user check which should detect and resolve the problem. 

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