vpn not working under server 2022

I am migrating from Windows Server 2012R2 to Windows Server 2022 and cannot get any RRAS Server to work under the 2022 Host. The current 2012R2 RRAS Server works under a 2012R2 Host (and is still being used because that is all that will work) but if I migrate that identical 2012R2 RRAS server...