Active Directory Domain Services could not update the following object in the local Active Directory Domain Services database ...

Active Directory Domain Services could not update the following object in the local Active Directory Domain Services database with changes received from the following source directory service because the disk volume containing the Active Directory Domain Services database is full. 
 
Object:
%1 
Object GUID:
%2 
Source directory service:
%3 
 
User Action 
Delete unnecessary files or move them to another volume. If the volume is a RAID set, you might be able to add additional hard disks to increase the storage capacity. If the Active Directory Domain Services database files and logs are stored in the same volume, you can separate them to create free disk space.