Configuration Manager cannot update the dNSHostName property for the existing object "%1" in Active Directory (%2). This ...

%11Configuration Manager cannot update the dNSHostName property for the existing object "%1" in Active Directory (%2).  This property is used to publish fully qualified host names in Active Directory.

Possible cause: The Active Directory schema has not been extended with latest version of the ConfigMgr Active Directory classes and attributes. 
Solution: Ensure the schema has been extended with the latest version of the ConfigMgr Active Directory classes and attributes.  The schema can be extended with the tool "extadsch.exe" from the installation directory on the Configuration Manager Site Server that reported this message.%0