KB1731: Veeam ONE v9.5 Required Ports and Permissions
https://www.veeam.com/kb173101.03.2013 · 1 Required for gathering of ESX (i) host hardware data. 2 Required for using VM Console and viewing snapshot information. 3 Required for collecting and updating tags on the vCenter Server side. The privileges must be assigned at the vCenter Server level. 4 Required for accessing VM console from Veeam ONE Monitor.