507
5xx Server ErrorInsufficient Storage
The server can't store the representation needed to complete the request.
507 Insufficient Storage is WebDAV's 'disk full': the server can't store what it would need to complete the request. Some general web servers and apps have borrowed it to report a full disk or an exhausted storage quota during uploads, so outside WebDAV it usually means exactly what it sounds like.
What 507 looks like on the wire
PUT /dav/backups/site.tar.gz HTTP/1.1 Host: dav.example.com Content-Length: 5368709120 HTTP/1.1 507 Insufficient Storage
About 5xx Server Error
The server failed to fulfill a valid request. The problem is on the server side, not the client.
How to fix 507 Insufficient Storage
- Free up disk space or raise the storage quota on the server.
- Check temp directories - uploads often stage there and fill the partition first.
- Add disk usage alerts so it doesn't sneak up on you again.
Where it's defined
507 Insufficient Storage is defined in RFC 4918 §11.5. MDN's 507 reference covers browser behavior and examples.