4244xx Client ErrorMedium
HTTP 424 Failed Dependency
Defined in RFC 4918
What Does HTTP 424 Mean?
The request failed because it depended on another request that failed.
Common Causes
- 1WebDAV batch operation where a prerequisite step failed
- 2Dependent API call in a transaction failed
- 3Cascading failure in a multi-step operation
Impact
- ⚠Operation fails because a prerequisite step failed
- ⚠May need to fix the underlying dependency first
Ad Space – header
Developer Fix
For web developers and application engineers
- 1Check which dependent operation failed first
- 2Implement proper error handling for multi-step operations
- 3Retry the entire operation chain from the beginning
Server Admin Fix
For system administrators and DevOps engineers
- 1Monitor for cascading failure patterns
- 2Implement proper transaction rollback
- 3Log dependency chain failures for debugging
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Frequently Asked Questions
How do I identify which dependency failed?
In WebDAV, the multi-status response (207) will detail which sub-operation failed. In APIs, the error response should indicate the failed prerequisite.
Is 424 used outside WebDAV?
Rarely. Some API designs use it for dependent operations, but it's primarily a WebDAV status code. Most REST APIs handle dependency failures with 400 or 500 series codes.
Related HTTP Status Codes
About the Author
Web Infrastructure Team
Verified against official RFC specifications and real-world server configurations. HTTP status code behavior confirmed across Apache, Nginx, and Cloudflare.