In Windows 11/10, there is a dedicated Cellular feature to connect to a cellular data network. Now, if your device has eSIM or a SIM card in it or you have an external cellular device with a SIM card ...

I diligently followed this to enable smart card logon in a simple test domain. DC is up-to-date Win 2003 and the client is XP SP3, both fresh and fairly default installations. Problem is, revoked ...