Challenge

A Tenant's Backup Job or Backup Copy Job targeting a Cloud Repository fails with the following message: Target gate has rejected connection. Unable to establish target connection. All aliases have failed. The wording of the error might differ, but the root error "All Aliases Have Failed" will be the same.

Cause

This error occurs when Veeam infrastructure components cannot communicate with each other. It typically indicates a network connectivity issue between the tenant and service provider components.

Connectivity Reference Diagram

Solution

Contact Veeam Support for Assistance If any of the following steps are unclear, please refer to the Involving Veeam Technical Support section at the end of this article for instructions on opening a support ticket.

More Information

Veeam Cloud Connect 12 Reference Architecture Cloud Gateway Network Settings Veeam Cloud Connect Used Ports