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Online Back-up in Acronis 10 says the Certification Server is unavailable when attempting to do an online backup.

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Hello Steve,

Thank you for using [[http://www.acronis.com/homecomputing/products/trueimage/ | Acronis True Image]]

Acronis True Image Home 2010 cannot access the following hostname and port:

- Hostname: ro11689.plusserver.de;

- Port: 55556

A firewall or some other security software on your machine is blocking the access.

Set up your firewall or other security software to allow access to the mentioned hostname and port. See also Acronis Online Backup Access Ports and Hostnames.

Thank you.