Hi,
from my understanding you ask about the OS for Oracle 12c R1.
In general AutoCAD Map didn't care of the OS where the database is installed.
Only the OS for AutoCAD Map is relevant and should be listed in the system requirements we have no Windows Server support for AutoCAD Map.
Import point for Oracle is that the Oracle Client is installed on the same PC as AutoCAD Map and has the same bitness as the OS.
Can you please let me know where the information about the limitation of Windows Server 2008 is written, so we change the documentation.
Regards
Brigitte
Brigitte Koesterke
Technical Support Senior Specialist