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Active Directory Disaster Recovery

Active Directory Disaster Recovery

By : Florian Rommel
4 (4)
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Active Directory Disaster Recovery

Active Directory Disaster Recovery

4 (4)
By: Florian Rommel
Buy this Book

Overview of this book

Table of Contents (17 chapters)
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Active Directory Disaster Recovery
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Active Directory Disaster Recovery
Credits
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Credits
About the Author
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About the Author
About the Reviewers
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About the Reviewers
Preface
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Preface
Lock Free Chapter
1
An Overview of Active Directory Disaster Recovery
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An Overview of Active Directory Disaster Recovery
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What is Disaster Recovery?
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Why is Disaster Recovery Needed?
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Conventions Used in This Book
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Disaster Recovery for Active Directory
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Disaster Types and Scenarios Covered by This Book
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Summary
2
Active Directory Design Principles
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Active Directory Design Principles
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Active Directory Elements
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Domain Design: Single Forest, Single Domain, and Star Shaped
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Domain Design: Single Forest, Single Domain, Empty Root, Star Shaped
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Domain Design: Multi-Domain Forest
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Domain Design: Multi-Forest
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LRS—Lag Replication Site
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Design Your Active Directory
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Keeping Up-To-Date and Safe
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Summary
3
Design and Implement a Disaster Recovery Plan for Your Organization
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Design and Implement a Disaster Recovery Plan for Your Organization
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Analyze the Risks, Threats, and the Ways to Mitigate
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The Two-Part, 10 Step Implementation Guide
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Summary
4
Strengthening AD to Increase Resilience
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Strengthening AD to Increase Resilience
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Baseline Security
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Securing Your DNS Configuration
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Tight User Controls and Delegation
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Central Logging
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Proper Change Management
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Virtualization and Lag Sites
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Summary
5
Active Directory Failure On a Single Domain Controller
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Active Directory Failure On a Single Domain Controller
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Problems and Symptoms
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Causes
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Solution Process
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Solution Details
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Summary
6
Recovery of a Single Failed Domain Controller
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Recovery of a Single Failed Domain Controller
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Problems and Symptoms
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Causes
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Solution Process
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Solution Details
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Summary
7
Recovery of Lost or Deleted Users and Objects
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Recovery of Lost or Deleted Users and Objects
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Problems and Symptoms
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Causes
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Solution Process
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Summary
8
Complete Active Directory Failure
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Complete Active Directory Failure
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Scenario
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Causes
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Recovery Process
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Summary
9
Site AD Infrastructure Failure (Hardware)
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Site AD Infrastructure Failure (Hardware)
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Scenario
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Causes
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Recovery Process
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Summary
10
Common Recovery Tools Explained
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Common Recovery Tools Explained
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Software for Your DCs and Administration
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Diagnosing and Troubleshooting Tools
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Monitoring with Sonar and Ultrasound
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Summary
1
Sample Business Continuity Plan
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Sample Business Continuity Plan
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Nailcorp Business Continuity Plan
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Description of the Service
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SCOPE
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Responsibilities and Roles
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OBJECTIVES
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COMMUNICATIONS
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CALL TREE
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Disaster declaration criteria for Active Directory service
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Functional restoration
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Recovery site(s)
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Necessary alternative site materials
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TECHNICAL RECOVERY STEPS TO RECOVER A FAILED DC
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APPENDICES
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Damage Assessment Forms
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GLOSSARY
2
Bibliography
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Bibliography
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Chapter 1
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Chapter 2
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Chapter 3
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Chapter 4
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Chapter 5
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Chapter 6
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Chapter 7
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Chapter 8
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Chapter 9
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Chapter 10
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Appendix

Solution Details

What follows is a complete outline of what to do during each part of the solution process.

Verification of Corruption

If the AD on a domain controller becomes corrupted, or stops replicating to other DC's, or both, find out the root cause for this. A good starting point is to check again that the DNS is in order, and revert any manual changes that may have been made recently. Also, ensure that it is not a network-related problem—this means that no routers and routes have been changed, or firewalls re-configured, and the connection is not down. These are more often than not the main causes, and not an actual corruption.

If you can safely rule out those causes, you can use utilities such as ReplMon and DCDiag, which are included in the Windows 2003 support tools, available free from Microsoft's website or on your install CD. Although ReplMon is a graphical utility, it is pretty small, and one of the best tool for checking whether or not there are replication errors within an...

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