Active Directory Lightweight Directory Services has begun the verification of lingering objects in advisory mode on the local ...

Active Directory Lightweight Directory Services has begun the verification of lingering objects in advisory mode on the local domain controller. All objects on this domain controller will have their existence verified on the following source domain controller. 
 
Source domain controller: 
%1 
 
Objects that have been deleted and garbage collected on the source domain controller yet still exist on this domain controller will be listed in subsequent event log entries. To permanently delete the lingering objects, restart this procedure without using the advisory mode option.