Book Image

Active Directory Disaster Recovery

By : Florian Rommel
Book Image

Active Directory Disaster Recovery

By: Florian Rommel

Overview of this book

Table of Contents (17 chapters)
Active Directory Disaster Recovery
Credits
About the Author
About the Reviewers
Preface

Recovery site(s)


Locations were Active Directory service is going to be recovered following a disaster is very distributed. If a complete hub site (Data Center) fails then the other sites will collectively take over the Active Directory service load automatically. This is done by

Windows automatically. Windows chooses the closest logon server based on the fastest reply.

SERVICE NAME/ SITUATION

PRIORITY

RECOVERY TIME OBJECTIVE

RECOVERY POINT OBJECTIVE

Active Directory (Authentication)

ONE + no down time

1 hour

4 hours

DNS Service on a DC

ONE

4 hours

8 hours

AD Replication failure

TWO 1-3 days

1 day

3 days