3. Allows downgrade changing msDS-Behavior-Version of "CN=partitions, <ConfigNC>" from 4 (Win2008R2) to 0(Win2000) 4. Allows downgrade changing msDS-Behavior-Version of "CN=NTDS Settings, CN=<RODC object in ConfigNC> from 4 (Win2008R2) to 2(Win2003) 5. Allows upgrade changing msDS-Behavior-Version of DomainNC from 4 (Win2008R2) to 5(Win2012)which is not supported by Samba 6. Allows downgrade changing msDS-Behavior-Version of DomainNC from 4 (Win2008R2) to 1(Win2000-mixed)