Verify that NAT64 is enabled on the server. 2. For native IPv6 connectivity, verify that the NAT64/DNS64 prefix is configured ...

1. Verify that NAT64 is enabled on the server.
2. For native IPv6 connectivity, verify that the NAT64/DNS64 prefix is configured in the DirectAccess settings. 
3. In the Remote Access Server Setup Wizard, ensure that the default NRPT entry points to the internal address of the NAT64/DNS64 server.