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Mastering Active Directory, Third Edition - Third Edition

You're reading from  Mastering Active Directory, Third Edition - Third Edition

Product type Book
Published in Nov 2021
Publisher Packt
ISBN-13 9781801070393
Pages 780 pages
Edition 3rd Edition
Author (1):
Dishan Francis Dishan Francis
Profile icon Dishan Francis

Table of Contents (22) Chapters

Preface 1. Active Directory Fundamentals 2. Active Directory Domain Services 2022 3. Designing an Active Directory Infrastructure 4. Active Directory Domain Name System 5. Placing Operations Master Roles 6. Migrating to Active Directory 2022 7. Managing Active Directory Objects 8. Managing Users, Groups, and Devices 9. Designing the OU Structure 10. Managing Group Policies 11. Active Directory Services – Part 01 12. Active Directory Services – Part 02 13. Active Directory Certificate Services 14. Active Directory Federation Services 15. Active Directory Rights Management Services 16. Active Directory Security Best Practices 17. Advanced AD Management with PowerShell 18. Hybrid Identity 19. Active Directory Audit and Monitoring 20. Other Books You May Enjoy
21. Index

AD recycle bin

When an object is deleted from AD, it is not permanently deleted. As soon as an object is deleted, the system will set the isDeleted attribute value to True and move the object to CN=Deleted Objects:

Figure 7.29: Deleted AD object

Then, the deleted object will stay there until the system reaches the tombstone lifetime value. By default, this is 180 days, and it can be changed if required. As soon as the object passes the tombstone lifetime value, it can be permanently deleted.

An essential function of an AD database is online defragmentation. This process uses the garbage collector service to remove deleted objects from the AD database and release space back to the database. This service runs every 12 hours. Once the deleted object exceeds the tombstone lifetime value, the object will be permanently removed in the next garbage collector service cycle. The problem with this is that during the tombstone process, most of the object values are stripped...

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