Configuration Manager site hierarchyCentral administration sitePrimary sitesSecondary sitesDetermining when to use a central administration siteDetermining when to use a primary siteDetermining when to use a secondary siteUnderstanding site-to-site replicationGlobal and site dataDatabase replicationFile-based replicationUnderstanding distribution pointsActive Directory requirements for sitesActive Directory schema extensionDisjoint namespacesSingle label domainsExtending the schema for Configuration ManagerForest Discovery and PublishingBoundaries and boundary groupsBoundariesBoundary groupsCross-forest scenariosCross-forest tipsClient approvalUsing Prerequisite CheckerBest practices for installing a central administration site or primary siteSecurity rightsSite namingEvaluation mediaBest practices for installing a secondary siteSecurity rightsOther considerationsUnattended installation of a central administration site or primary siteTroubleshooting database replication and console issuesTroubleshooting database replicationStep 1: Using Replication Link AnalyzerStep 2: Examining the log filesStep 3: Performing SQL queriesStep 4: Reinitiating replicationTroubleshooting the Configuration Manager console