The intrasite replication period for this site exceeds the intersite topology generator role election period. This may cause ...

The intrasite replication period for this site exceeds the intersite topology generator role election period. This may cause the intersite topology generator role to unnecessarily failover to another directory service in this site. 
 
Site: 
%1 
Unavailability period: 
%2 
Recommended period in minutes: 
%3 
 
User Action 
To repair this problem, either set the intrasite replication schedule to its default value, or adjust the interSiteTopologyFailover attribute on this site's NTDS Site Settings object  to the recommended period in minutes, which increases the intersite generator election period.