Used Ports - Veeam Agent Management Guide
helpcenter.veeam.com › docs › backupOct 25, 2021 · Default port used for communication with the Veeam Agent for Microsoft Windows Service. If port 6184 is already in use, Veeam Agent for Microsoft Windows Service will try to use the next port number. TCP UDP. 135, 137 to 139, 445, 6160, 11731. Default ports used for communication with the Veeam Installer Service. Port 135 is used for WMI queries.