you are backing up to Strasbourg, then you should check these ports:Īllow Acronis software through Mac Firewall: Check hostnames and ports of your datacenter (see this article).Į.g.See Acronis Software: Allowing Acronis Products Through Firewalls Check ports on Mac Open ports in Windows Firewall and allow Acronis software through firewall: Check both the Telnet Client and Telnet Server boxes.Under Programs and features, click Turn Windows features on or off.Go to Start -> Control Panel -> Programs.In Windows Vista and Windows 7 you may need to enable telnet first: If they are not accessible, you will see a respective failure message: If they are accessible, you will see a blank screen after issuing the command: You can check if the ports and hostnames are open by using Acronis Cloud Connection Verification Tool.Īlternatively, you can check if the ports and hostnames are open in your network by issuing the telnet command. Acronis Cloud Backup needs to have access to the following hostnames and TCP ports: US (Boston - US2, St.Louis -US1, US3)