status Registered
Verified 2026-09-18 · registry updated 2025-09-15

HTTP 423 Locked

The target resource is locked and cannot currently be modified.

Use 423 for WebDAV resources or application resources with an explicit lock state.

httpstatus codewebdavconcurrency

Response (http)

HTTP/1.1 423 Locked

Use 423 for WebDAV resources or application resources with an explicit lock state.

Common mistakes

  • Locking resources without the WebDAV lock-token flow clients need to discover and release locks.

Registry reference: rfc4918

Permalink: https://merginit.com/reference/http/status-423