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Active Directory Disaster Recovery

Florian Rommel

Expert guidance on planning and implementing Active Directory disaster recovery plans with this book and eBook
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Book Details

ISBN 139781847193278
Paperback252 pages

About This Book

  • Essential disaster recovery planning/response book
  • Configure and strengthen Active Directory to increase resilience
  • Practical diagnosis of failures
  • Design and implement an organizational Disaster Recovery plan
  • Symptom-Cause-Recovery approach

Who This Book Is For

This book is targeted at network security professionals who find themselves charged with creating an Active Directory Disaster Recovery plan or who want to quickly recover once disaster has struck.

This book expects you to be familiar with the basics of Active Directory and Windows Servers.

Table of Contents

Chapter 1: An Overview of Active Directory Disaster Recovery
What is Disaster Recovery?
Why is Disaster Recovery Needed?
Conventions Used in This Book
Disaster Recovery for Active Directory
Disaster Types and Scenarios Covered by This Book
Chapter 2: Active Directory Design Principles
Active Directory Elements
Domain Design: Single Forest, Single Domain, and Star Shaped
Domain Design: Single Forest, Single Domain, Empty Root, Star Shaped
Domain Design: Multi-Domain Forest
Domain Design: Multi-Forest
LRS—Lag Replication Site
Design Your Active Directory
Keeping Up-To-Date and Safe
Chapter 3: Design and Implement a Disaster Recovery Plan for Your Organization
Analyze the Risks, Threats, and the Ways to Mitigate
The Two-Part, 10 Step Implementation Guide
Chapter 4: Strengthening AD to Increase Resilience
Baseline Security
Securing Your DNS Configuration
Tight User Controls and Delegation
Central Logging
Proper Change Management
Virtualization and Lag Sites
Chapter 5: Active Directory Failure On a Single Domain Controller
Problems and Symptoms
Solution Process
Solution Details
Chapter 6: Recovery of a Single Failed Domain Controller
Problems and Symptoms
Solution Process
Solution Details
Chapter 7: Recovery of Lost or Deleted Users and Objects
Problems and Symptoms
Solution Process
Chapter 8: Complete Active Directory Failure
Recovery Process
Chapter 9: Site AD Infrastructure Failure (Hardware)
Recovery Process
Chapter 10: Common Recovery Tools Explained
Software for Your DCs and Administration
Diagnosing and Troubleshooting Tools
Monitoring with Sonar and Ultrasound

What You Will Learn

The first part covers:

  • Active Directory design principles
  • Proper planning for disaster recovery
  • Preventive measures for your AD
  • Creating a business continuity plan (with a working sample)
  • Configuring lag sites and working in a virtual environment
  • Using and understanding tools to analyze and monitor AD

The second part includes step-by-step instructions to recover from:

  • Single domain controller hardware failure
  • Active Directory corruption on a single domain controller
  • Deleted or lost objects
  • Global Active Directory corruption
  • Site Active Directory infrastructure (hardware) failure
  • Global Active Directory infrastructure (hardware) failure


In Detail

Murphy's law states that anything that can go wrong will go wrong. In relation to Information Systems and Technology this could mean an incident that completely destroys data, slows down productivity or causes any other major interruption of your operations or your business. How bad can it get?—"Most large companies spend between 2% and 4% of their IT budget on disaster recovery planning; this is intended to avoid larger losses. Of companies that had a major loss of computerized data, 43% never reopen, 51% close within two years, and only 6% will survive long-term." —Jim Hoffer, Backing Up Business – Industry Trend or Event.

Active Directory (AD) is a great system but it is also very delicate. If you get a problem, you will need to know how to recover from this situation. You will need to know about Disaster Recovery and be prepared with a business continuity plan. If Active Directory is a part of the backbone of your network and infrastructure, the guide to bring it back online in case of an incident needs to be as clear and concise as possible. If all of this happens or if you want to avoid all of this happening, this is the book for you.

Recovering Active Directory from any kind of disaster is trickier than most people think. If you do not understand the processes associated with recovery, you can cause more damage than you fix. This is why you need this book.

This book has a unique approach—the first half focuses on planning and shows you how to configure your AD to be resilient; the second half is response focused and meant as a reference in which we discuss different disaster scenarios. We follow a Symptom-Cause-Recovery approach—so all you have to do is follow along and get back on track.

This book describes the most common scenarios and how to properly recover your infrastructure from them. It contains commands and steps for each process and contains information on how to plan for disaster and how to leverage technologies in your favor in case of a disaster.

You will encounter these types of disaster and incident in the book, and learn how to recover from them:

  • Deleted objects
  • Single domain controller hardware failure
  • Single domain controller AD corruption
  • Site AD corruption
  • Site hardware failure
  • Corporate AD corruption
  • Complete corporate hardware failure


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