What do you mean with inject? Use DISM to add updates (MSU/CAB)?
Tell use more details:
Suggestions for asking a question on help forums
http://support.microsoft.com/kb/555375
Hi,
Would you please give us more detail information about this issue? Please also refer to the follow thread
How to ask a question efficiently in TechNet forum
Regards,
I would recommend you do not use pre-release software in your production environment and only use them for testing and evaluation purposes only. The following link specifically states that the Preview version is limited in functionality.
http://technet.microsoft.com/en-us/library/hh825186.aspx