Authentication failures and event 422 when AD FS STS servers …
https://support.microsoft.com/en-us/topic/authentication-failures-and-event-422-when-ad-fs-sts-servers-and-ad-fs-proxy-servers-are-in-windows-server-2012-r2-700e0502-c19a-54e4-9c5f-65c2844d9a9f
WEBThis issue occurs because the Device Registration Service (DRS) is not deployed, or the DRS device object container (for example, CN=RegisteredDevices, DC= default-naming-context) does not have correct permission to the AD FS service account. Resolution. To resolve this issue, install update rollup 2962409.
DA: 38 PA: 79 MOZ Rank: 95