juniorAzure
What is a Fault Domain?
Updated Apr 28, 2026
Short answer
A logical group of hardware that shares a common power source and network switch.
Deep explanation
Detailed theoretical breakdown of What is a Fault Domain? focusing on core cloud principles and Azure's implementation architecture.
Real-world example
Organizing a project's web app, database, and storage into a single Resource Group for lifecycle management.
Common mistakes
- Confusing a Resource Group with a geographic boundary
- it is actually a metadata boundary.
Follow-up questions
- Can resources be in different regions than the group?
- What is a resource lock?