Slide 1Slide 2Slide 3Slide 4Slide 5Slide 6Slide 7Slide 8Slide 9Slide 10Slide 1112.1 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 12: Building a Migration PlanGoalsDetermine the migration pathDefine the domain controller creation processCreate a migration plan12.2 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 12: Building a Migration PlanMigration pathsFour possible paths when upgrading a Windows NT domain model to Active DirectoryBuild a completely new model from scratchMigrate the existing domain model into a new modelPerform an upgrade and then restructure domainsPerform an upgrade and then leave the domain structure as-is Determining the Migration Path(Skill 1)12.3 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 12: Building a Migration PlanBuild a completely new model from scratchRarely the optimal migration method Typically requires more work than other plans Does not leverage organization’s investment in existing infrastructureSometimes useful in small environments that were poorly designedDetermining the Migration Path (2)(Skill 1)12.4 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 12: Building a Migration PlanMigrate the existing domain model into a new modelMore common choice for most environmentsAllows you to create fresh optimal design while also leveraging investment in current infrastructureTypically requires more time than an upgradeDetermining the Migration Path (3)(Skill 1)12.5 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 12: Building a Migration PlanPerform an upgrade and then restructure domains or leave domain structure as-isNeither option is advised except for smallest of networksFollow the process set forth in Table 12-1 rather than performing an in-place upgradeAdvantages: Provides a roll-back option if problems arise; reduces chance of errors occurring during upgrade; reduces possibility of upgrade-related errorsDisadvantage: if any domain controllers also provide other services, these services will need to be reinstalled and configuredDetermining the Migration Path (4)(Skill 1)12.6 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 12: Building a Migration PlanDomain consolidationDecision should be made before you implement the upgradeTypically want to consolidate as much as possibleProcess to determine if consolidation is requiredCreate an optimal Windows Server 2003 Active Directory domain design and compare it to the current Windows NT domain modelIf it is identical, no consolidation is necessary; if it is not, consider consolidationDetermining the Migration Path (5)(Skill 1)12.7 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 12: Building a Migration PlanFigure 12-1 A Windows NT single master domain model(Skill 1)12.8 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 12: Building a Migration PlanFigure 12-2 The resulting Windows Server 2003 Active Directory domain model(Skill 1)12.9 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 12: Building a Migration PlanMethods for domain controller creationIn-place upgradeDcpromo.exe with standard directory replicationDcpromo.exe, using a backup of the Active Directory databaseAutomated dcpromo.exe with standard directory replicationAutomated dcpromo.exe, using a backup of the Active Directory databaseDefining the Domain Controller Creation Process(Skill 2)12.10 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 12: Building a Migration PlanFigure 12-3 The domain controller creation decision flow chart(Skill 2)12.11 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 12: Building a Migration PlanPhases common to all migration plansPhase 1: Planning and analysisPhase 2: Initial testingPhase 3: Functional buildPhase 4: Intermediate testingPhase 5: RolloutPhase 6: Final testingPhase 7: SwitchoverPhase 8: Performance tuning and monitoringPhase 9: Project assessmentCreating a Migration Plan(Skill