What Is HTTP 423 Locked?
HTTP 423 Locked explained, and what it means when you see it in CI/CD and deployments.
HTTP 423 means the resource being accessed is locked.
What it means
A 423 comes from WebDAV and some APIs that lock a resource during an operation, blocking concurrent edits.
When you see it in CI/CD
In CI, a 423 can appear when a deploy or state operation holds a lock (similar to a Terraform state lock). Wait and retry, or release a stale lock.
Key takeaways
- 423 means the resource is locked.
- Blocks concurrent operations.
- Wait/retry or clear a stale lock.