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YouarethenetworkadministratorforNorthwindTraders.ThenetworkconsistsofasingleActiveDirectoryforestthatcontainsonerootdomainandonechilddomain.Theforestalsocontainsthreeseparatesites，asshownintheNetworkDiagramexhibit.（ClicktheExhibitbutton.）ThenetworkisnotfullyroutedandthereisnodirectphysicalconnectionbetweenSite1andSite3.Sitelinksarenotbridged.Youdiscoverthatthedomaincontrollersfornamerica.northwindtraders.comlocatedinSite1haveadditionalaccountsthatarenotonthedomaincontrollersfornamerica.northwindtraders.comlocatedinSite3.YouexaminethedirectoryserviceloginEventVieweronadomaincontrollerfornamerica.northwindtraders.com.YoudiscovertheerrormessageshownintheErrorMessageexhibit.（ClicktheExhibitbutton.）Youneedtoresolvetheconditionthatiscausingthiserror.
Whatshouldyoudo？（）
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