Currently I am using bootable media, I created media where I under the "User Device affinity" section I specified "Do not allow user device affinity", tested the Windows 7 deployment and received the "UDA mode is not specified. UDA settings will not be processed." message while the SCCM client is being installed during the TS.
Created another bootable media .iso and specified "Allow user device affinity with auto-approval" and still receive the same message.