This article will show you how to move the Active Directory Database to a new location.
First Stop Active Directory Services service
Next open the cmd line tool and type:
activate instance ntds
In this line type the new location of the database:
In my case the new location will be C:\NTDS
The full line will look like this (there is no need to create the folder)
move db to C:\NTDS
Restart the Active Directory Services and restart the sever.