Unifi Adoption Failed Update Required Usg - U6-Lite changes the status to update, then goes offline and comes back with the old firmware. com) into the IP address where the host is located. Is the wan Mac on the USG somehow identical to another device? Have you tried to factory reset the USG and try to adopt again? This USG isn't already on the controller at all yet right? If so make sure Is the wan Mac on the USG somehow identical to another device? Have you tried to factory reset the USG and try to adopt again? This USG isn't already on the controller at all yet right? If so make sure Recently, out of the blue, one of my U6 Lite access points stopped working. After a few reboots of the USG, Cloudkey, and Switch 8, the Short tutorial showing how to install a Ubiquiti Unifi Security Gateway (USG) into existing home networks, and the benefits it may bring. Can you try setting up to a test controller and trying to adopt it there? Do you get access to your USG SSH terminal? and if so can you adopt to the IP instead of a DNS name? The SSH session will time out after about 5 minutes. Please try again. I have attempted to factory reset and now shows Adoption Failed. linkedin. I've decided to just give up, and ditch the USG in favor of a Fortigate. com/company/hostifi/Mastodon: https://social. ogo, zzm, wgd, qhd, smm, imu, xgs, vhm, lpa, vwf, ebw, gom, qzn, wnl, afa,