HTTP 506 Variant Also Negotiates vs 507 Insufficient Storage
Both HTTP 506 (Variant Also Negotiates) and 507 (Insufficient Storage) belong to the 5xx Server Error category. 506 indicates that the server has an internal configuration error: the chosen variant resource is configured to engage in content negotiation itself. Meanwhile, 507 means that the server is unable to store the representation needed to complete the request (WebDAV).
Description
The server has an internal configuration error: the chosen variant resource is configured to engage in content negotiation itself.
When You See It
Rare. Indicates a misconfigured server-side content negotiation loop.
How to Fix
Fix the server's content negotiation configuration.
Description
The server is unable to store the representation needed to complete the request (WebDAV).
When You See It
When the server runs out of disk space during WebDAV operations.
How to Fix
Free up disk space on the server or increase storage capacity.
Key Differences
HTTP 506: The server has an internal configuration error: the chosen variant resource is configured to engage in content negotiation itself.
HTTP 507: The server is unable to store the representation needed to complete the request (WebDAV).
You encounter 506 when rare. Indicates a misconfigured server-side content negotiation loop.
You encounter 507 when when the server runs out of disk space during WebDAV operations.
When to Use Which
For 506 (Variant Also Negotiates): Fix the server's content negotiation configuration. For 507 (Insufficient Storage): Free up disk space on the server or increase storage capacity.