KB1731: Veeam ONE v9.5 Required Ports and Permissions
https://www.veeam.com/kb173101.03.2013 · Veeam License Update Server (autolk.veeam.com) TCP. 443. Default port used for license auto-update. Veeam ONE Server and Web UI. Microsoft SQL Server. TCP. 1433. Port used for communication with the Microsoft SQL Server on which the Veeam ONE database is deployed. Additional ports may need to be open depending on your configuration.
Step 1. Select Appropriate Operations - veeambp.com
https://veeambp.com/ports/index.htmlStep 4. Map Roles To Servers. Use the dropdown to select servers to map to a role. Once allocated press "Map" which will highlight in bold beside the "Select Server" box to map the role to that host, multiple mapping is allowed such as multiple vSphere hosts etc "Ignore" will remove the role from the list. Press "Submit" when you are finished, once again you can always come back