Understanding these domain function levels which are present in an active directory determines the function levels. What does this domain function level 2003 actually mean?
Function levels are defined to be the extended version of the native concept of windows in 2000 which was established for an active directory after it is seen that the controls of the domain are working on the concept of 2003 windows server operating system.
In order to use the latest features in forest-wide, it is just that the domain controllers of the forest area have to run on the Windows server 2003, and also that the present forest functional level has to be based upon Windows 2000 native code or it can also be on Windows server 2003 domain level. The function level increased is called as domain function level 2003.
