HTTP

HTTP 424 Failed Dependency vs 510 Not Extended

HTTP 424 (Failed Dependency) is a 4xx Client Error response, while 510 (Not Extended) is a 5xx Server Error response. 424 indicates that the request failed because it depended on another request that failed (WebDAV). In contrast, 510 means that further extensions to the request are required for the server to fulfill it.

Description

The request failed because it depended on another request that failed (WebDAV).

When You See It

In batch WebDAV operations when a prerequisite action fails.

How to Fix

Fix the failed dependency first, then retry the operation.

Description

Further extensions to the request are required for the server to fulfill it.

When You See It

When an HTTP extension required by the server is not present in the request.

How to Fix

Add the required extension headers to your request.

Key Differences

1.

424 is a 4xx Client Error response, while 510 is a 5xx Server Error response.

2.

HTTP 424: The request failed because it depended on another request that failed (WebDAV).

3.

HTTP 510: Further extensions to the request are required for the server to fulfill it.

4.

You encounter 424 when in batch WebDAV operations when a prerequisite action fails.

5.

You encounter 510 when when an HTTP extension required by the server is not present in the request.

When to Use Which

For 424 (Failed Dependency): Fix the failed dependency first, then retry the operation. For 510 (Not Extended): Add the required extension headers to your request.

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