Download the full MSDN server. Microsoft is very disappointed to buy this other way. Sometimes your boss is a killer who keeps everything and is afraid to leave Windows Vista x86 SP1 machine with 1GB of RAM.
You know how it is.
Enjoy
Note: The official file name is: SW_DVD5_Win_Pro_Ent_Edu_N_10_1709_64BIT_English_MLF_X21-50143
Microsoft changed it a bit and made their own AIO if you want … no early versions. You can use it for new installations or upgrades