ErrorFindly
5075xx Server ErrorCritical

HTTP 507 Insufficient Storage

Defined in RFC 4918

What Does HTTP 507 Mean?

The server is unable to store the representation needed to complete the request due to insufficient storage space.

Common Causes

  1. 1Server disk space full
  2. 2Upload quota exceeded
  3. 3WebDAV storage allocation exhausted
  4. 4Database storage limit reached

Impact

  • ⚠Cannot upload files or save data
  • ⚠Server operations may be impacted

Developer Fix

For web developers and application engineers

  1. 1Handle 507 errors with clear storage-related messages
  2. 2Implement file cleanup or rotation logic
  3. 3Check storage quotas before large operations

Server Admin Fix

For system administrators and DevOps engineers

  1. 1Free up disk space immediately
  2. 2Increase storage allocation
  3. 3Implement disk space monitoring and alerts
  4. 4Set up log rotation and cleanup cron jobs

Frequently Asked Questions

Is 507 only for WebDAV?
While defined in the WebDAV specification, some servers and APIs use 507 to indicate general storage issues. However, many prefer using 500 with a descriptive message for non-WebDAV contexts.
How do I fix a 507 error?
As a user, try uploading smaller files. As an admin, free up disk space, increase storage allocation, or clean up old files and logs.

Related HTTP Status Codes

413Payload Too Large500Internal Server Error

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.