Horizon Client reports the MAC address of the user's local hardware instead of the MAC address of the VPN by using a hard-coded deny list of MAC addresses.
The following MAC addresses are included in the deny list.
000000000000 00059a3c7800 00059a3c7a00 00090faa0001 00090ffe0001 001c42000008 001c42000009 005056c00001 005056c00008 00ff091cb893 00ff10404c08 00ff39c549ca 00ff5ab2e94a 00ff5d79fab3 00ffa43eb222 00ffc7cd3234 02004c4f4f50 0205857feb80 025041000001 080027000443 080027000c04 0800270014be 080027002049 08002700281e 080027003494 0800270034f0 080027004816 08002700509c 0800270074bd 08002700802d 08002700ac25 08002700c4be 08002700c84c 08002700c84e 08002700d49e 08002700e41d 08002700e4a0 08002700e843 08002700e865 08002700e8d3 08002700f061 08002700f091 08002700f4eb 0a0027000000 0a0027000002 0a0027000003 0a002700000d 1e85de8f5e73 2e85de8f5e73
In addition, the following MAC address is used for the Touch Bar on many MacBook laptops.
acde48001122