Communication Protocol Error (ActionException)

Product version: 11.0

Last modified: 18 October 2024

Problem

The job action fails with the following error:

Internal error has occurred on the "X" transporter. Reason: Communication protocol error (ActionException).

Also, you can see the following error message displayed in the General > Events tab:

Possible Cause

The recovery point is missing from a backup-related file or data was corrupted while being committed to the repository.

Solution

You have one of the following options:

Solution 1

Ensure that the recovery points within the backup(s) are consistent by running the Block-level backup verification on the repository.

If corrupted recovery points are found, please use this article as a guidance.

Solution 2

Create a new job for the VM and run it from scratch. It will create a new backup object. To make sure it is healthy, we recommend periodically schedule running Block-level backup verification.