Resolve an Acronis Agent connection error

This guide explains how to find a solution if you are running a backup with Swiss Backup but it fails with a connection error. It is necessary to check what may be blocking the connection…

Antivirus

In some cases, security programs such as antivirus or other security suites block the functionality of the Acronis Agent.

Add the program folders and executables to the whitelist to solve the issue:

• Windows: https://kb.acronis.com/content/36429#Windows3
• macOS: https://kb.acronis.com/content/36429#macOS4
• Linux: https://kb.acronis.com/content/36429#Linux5

Closed ports

Familiarize yourself with the documentation on the ports that need to be open or not used by another process and automatically check the ports with Acronis' CVT utility:

• Windows / Linux: https://kb.acronis.com/content/47678
• macOS: from a terminal application (command line interface, CLI) run the following command:

echo 0 | nc eu5-cloud.acronis.com 443 >/dev/null && echo "eu5-cloud.acronis.com 443: OK";echo 0 | nc eu5-cloud.acronis.com 7790 >/dev/null && echo "eu5-cloud.acronis.com 7790: OK";echo 0 | nc swift01-acronis.cloud.infomaniak.ch 44445 >/dev/null && echo "swift01-acronis.cloud.infomaniak.ch 44445: OK"; echo 0 | nc eu5-baas.acronis.com 8443 > /dev/null && echo "eu5-baas.acronis.com 8443: OK"