HTTP

HTTP 207 Multi-Status vs 426 Upgrade Required

HTTP 207 (Multi-Status) is a 2xx Success response, while 426 (Upgrade Required) is a 4xx Client Error response. 207 indicates that the response body contains status information for multiple resources, in situations where multiple status codes might be appropriate (WebDAV). In contrast, 426 means that the server refuses to perform the request using the current protocol but might after the client upgrades to a different protocol.

Description

The response body contains status information for multiple resources, in situations where multiple status codes might be appropriate (WebDAV).

When You See It

In WebDAV operations that affect multiple resources simultaneously.

How to Fix

Parse the XML body to check the status of each individual resource.

Description

The server refuses to perform the request using the current protocol but might after the client upgrades to a different protocol.

When You See It

When a server requires HTTPS or a newer protocol version.

How to Fix

Switch to the protocol specified in the Upgrade response header.

Key Differences

1.

207 is a 2xx Success response, while 426 is a 4xx Client Error response.

2.

HTTP 207: The response body contains status information for multiple resources, in situations where multiple status codes might be appropriate (WebDAV).

3.

HTTP 426: The server refuses to perform the request using the current protocol but might after the client upgrades to a different protocol.

4.

You encounter 207 when in WebDAV operations that affect multiple resources simultaneously.

5.

You encounter 426 when when a server requires HTTPS or a newer protocol version.

When to Use Which

For 207 (Multi-Status): Parse the XML body to check the status of each individual resource. For 426 (Upgrade Required): Switch to the protocol specified in the Upgrade response header.

Learn More