NetBackup 10.x enhances its integration with virtual and containerized environments:
Must be the same version as the primary server to perform catalog backups. Can be a lower version than the primary and media servers. 10.x.x OS Software Compatibility List - Veritas netbackup 10 software compatibility list
: RHEL 8.x and CentOS 8.1 or later are typically required for primary server roles. NetBackup 10
A critical change in the 10.x era is the continued transition of UNIX platforms to "Client-only" status. netbackup 10 software compatibility list