midWCF
What is fault handling in WCF?
Updated May 6, 2026
Short answer
Fault handling manages service exceptions in a structured way.
Deep explanation
WCF uses FaultContract to send controlled error messages instead of raw exceptions.
Real-world example
Returning business errors in payment service.
Common mistakes
- Throwing raw exceptions to clients.
Follow-up questions
- What is FaultException?
- Why use FaultContract?