The December update changed the credential guard default behavior.
After installing the December updated version, register the server with Azure Arc. Then query: windows server 2022 ltsc 21h2 x64 english decem updated
Increase the MaxTicketAge registry value on the PDC emulator (not recommended unless diagnosed). Part 9: Automation and Deployment Tips for the December Build Large enterprises deploy thousands of December-updated servers. Here is how to script the process. Use a Custom Answer File (autounattend.xml) Include the December update by slipstreaming it into the ISO using DISM: The December update changed the credential guard default