KB2403: Repository Unavailable to Veeam Agent for ...
https://www.veeam.com/kb240321.11.2017 · - multiple installations of Veeam Agent for Microsoft Windows (VAW) are targeted at a Veeam Backup and Replication (VBR) repository within the same domain; - all VAW-processed computers are added to an AD computer group; - the mentioned group is used to manage Agent Backup Permissions to access the repository.