How to Fix the HTTP 416 Range Not Satisfiable Error

Stop letting technical glitches halt your downloads and streaming with these expert fixes for the HTTP 416 error.

Encountering an HTTP 416 Range Not Satisfiable error can be frustrating. In simple terms, this happens when your browser asks for a specific “chunk” of a file—like a particular segment of a large video—but the server cannot deliver that exact range. This usually occurs because the requested bytes fall outside the actual size of the file or the server is configured to restrict partial requests.

Whether you are a casual browser or a site administrator, here is how to resolve this issue quickly.

Quick Fixes for End-Users

If you are visiting a site and see this error, the problem is often a temporary glitch or a cache conflict:

• Refresh the Page: A simple reload can resolve temporary network instabilities or server overloads.
• Clear Browser Cache: Corrupted cached data often triggers 416 errors. In Chrome, navigate to More Tools > Clear browsing data, select “Cached images and files,” and clear the data to force a fresh resource download.
• Switch Devices: Try a different browser or device to determine if the issue is local to your current configuration.

Advanced Solutions for Server Admins

If you manage the server, you need to dig deeper into the backend to find the root cause:

• Analyze Apache Error Logs: Check /var/log/apache2/error.log to find the exact timestamp and request details. Look for “Range Not Satisfiable” messages to identify if the request was malformed or the resource is missing.
• Deploy APM Tools: Use Application Performance Monitoring tools like New Relic or Dynatrace to track real-time response times and error rates to identify infrastructure bottlenecks.
• Disable Range Requests: As a last resort, you can prevent the server from accepting range requests entirely. Add Header set Accept-Ranges none to your .htaccess file and restart your server. Note: This may impact video streaming functionality.

When to Call for Help

If these steps fail, the issue likely lies within the server’s core environment. Contact your hosting provider with the specific error message, the affected URL, and the steps you’ve already taken for a faster resolution.

By understanding that the 416 error is essentially a “mismatch” between a request and a resource, you can systematically eliminate variables until your connection is restored. Following these steps ensures your digital experience remains seamless and your server performance stays optimized.