Akamai Gateway Timeout: Proxy Server Did Not Receive a Timely Response

How to fix it

Try these in order — the most common fix is first.

1. 1. Confirm the origin responds

   Copy steps
   1. Request the origin hostname directly and time the response
   2. Check origin server load, logs and any recent deployment
   3. Restart or scale the origin if it is slow
   Did this fix it? Yes No

2. 2. Decode the error

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   1. Copy the Reference # from the error page
   2. Open Control Center, Resolve, Diagnostic Tools, Translate Error String
   3. Review the origin response details it returns
   Did this fix it? Yes No

3. 3. Check Property Manager and firewall

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   1. Verify the Origin Server behavior (hostname, ports, forward host header) in the active property version
   2. Make sure origin firewall rules allow Akamai's edge servers
   3. If a recent activation caused it, use Fast Fallback within 60 minutes to return to the last active version
   Did this fix it? Yes No

4. 4. Visitor: retry later

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   1. Reload after a few minutes
   2. Check the site's or Akamai's status page for an incident
   3. Report the Reference # to the site owner if it persists
   Did this fix it? Yes No

Symptoms

A page saying "The proxy server did not receive a timely response from the upstream server", or other 5xx errors with a Reference #, on a site fronted by Akamai.

Why it happens

• The origin server is down, overloaded or slow
• The origin firewall blocks Akamai edge server IPs
• The property's origin hostname or forward settings in Property Manager are wrong
• A recent property activation changed origin behavior

This guide also covers

• akamai gateway timeout
• akamai 503 error
• akamai origin error
• proxy server did not receive a timely response akamai

Other Akamai errors

• Akamai Access Denied: You Don't Have Permission to Access This Server
• Akamai Error Reference # Lookup: What the Number Means
• Akamai Property Validation Failed: Files Already Pending Activation
• Akamai "Unable to Perform Validation at This Time" Activation Error
• Akamai Property Activation Stuck, Slow or 409 Conflict
• Akamai Property Manager: Access Denied, No Edit Access or Name Already Exists
• Akamai Error: You Must Have the Enhanced TLS Module on Your Contract
• Akamai Fast Purge 429 Rate Limit Error