---
id: 6070
title: "What are good and bad Active Directory snapshots"
source_domain: semperis.com
source_url: "https://www.semperis.com/blog/good-and-bad-active-directory/"
published_at: "2013-12-15T22:04:06Z"
tags: ["cloud", "active-directory", "snapshots", "backup", "best-practices", "replication", "domain-controllers", "usn-rollback"]
phying_url: "https://phying.com/item/6070"
lang: en
---

# What are good and bad Active Directory snapshots

## Summary

Why VM snapshots of domain controllers are unsupported: how USN rollback breaks replication across the up-to-dateness vector, and what separates supported AD snapshots from the risky kind.

## Intelligence Metadata

- **Sources:** semperis.com
- **Published:** 2013-12-15T22:04:06Z
- **Original:** https://www.semperis.com/blog/good-and-bad-active-directory/
- **Phying News:** https://phying.com/item/6070