Resolving 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.

Check what could be blocking the connection

Antivirus

In some cases, security programs like antivirus or other security suites block the functionality of the Acronis Agent. Add the program folders and executables to the whitelist to resolve 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

Refer to the documentation on ports that need to be opened or unused by another process and check the ports automatically with the Acronis CVT utility:

Windows / Linux: https://kb.acronis.com/content/47678
macOS: Use Terminal to 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"

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