New issue here with deploying an automated MDT build of Windows 7.
I found after deploying that the clock was in US format, the keyboard – US, everything defaulted to US. I couldn’t find an obvious quick way of rectifying this through MDT, so here is the easiest solution, no rebuilds necessary. Not something I’d come across before using old skool hand made images.
When applying the image in an SCCM task sequence, specify an answer file. Here’s the answer file I created for Windows 7 SP1 x64: en-GB unattend
To create your own, follow the guide here: http://www.scconfigmgr.com/2014/01/30/create-an-answer-file-for-language-settings-during-osd-with-configmgr/