[mssms] DCR pressing F8 in boot media to optionally prompt for credentials (much like PXE password is optional)

[Niall Brady]

filed on connect, if anyone could vote it up that would be great,
bug number 974211

also, keep in mind that Risk and Health Assessment Program (*RAP*) is now
flagging cmd support in WinPE as a security risk and asking you to remove
it,

so please, vote this up !
cheers
niall.