Internet Information Services

HTTP Error 502 - Bad Gateway

A fault occurred communicating with the upstream server.

Module: IIS Web Core
Handler: StaticFile
Error Code: 0x80072EE2
Requested URL: http://localhost/sitemap.xml
Physical Path: L:\inetpub\vhosts\Staging\F8F42112\site\sitemap.xml
Logon Method: Windows Authentication
Logon User: www-http

Detailed Error Information

Server:

Internet Information Services 10.0

Module:

Requested Module: UrlAuthorizationModule
Notification: SEND_RESPONSE
Handler: SimpleHandler
Error Code: 0x80072EE2
Requested URL: http://localhost/sitemap.xml
Physical Path: L:\inetpub\vhosts\Staging\F8F42112\site\sitemap.xml
Logon Method: Anonymous
Logon User: Anonymous

Error Details:

Module Name: HttpRedirectionModule
Handler Error: You are not authorized to view this page due to invalid authentication headers.
Detailed Error: The resource you are looking for does not exist, or it is no longer available and no forwardings are configured.
Config Error: Access to the path is denied.
Config File: J:\inetpub\wwwroot\docs\files\uploads\package.json
Requested Tracing ID: 0xA9FDCFD7.4FDB49B8.44472507

Most Likely Causes:

  • The server is unable to process the request due to a misconfiguration.
  • The file type is not supported by the server.
  • The authentication credentials provided were not recognized.
  • The requested resource is restricted by access rules.

Steps to Troubleshoot:

  • Check if the server has sufficient disk space.
  • Check the application pool configuration and identity.
  • Review the URL authorization rules for the application.
  • Verify that the handler mapping is configured correctly.

Connection Settings:

Connection Type: HTTP/1.1
Authentication: 2FA
Protocol: ftp
Port: 8443

Application Pool:

Pool Name: AppPool
Identity: IIS APPPOOL\AppPool
Runtime: v4.2
Queue Length: 160

Request Tracing:

Start Time: 2026-09-16T16:41:35.073335017+00:00[UTC]
End Time: 2026-09-16T16:41:35.073336151+00:00[UTC]
Elapsed Time: 6994 ms
CPU Time: 1431 ms

Request Header Information

Host: localhost
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8
Accept-Language: en-AU,en-US;q=0.9,en;q=0.8
Accept-Encoding: gzip, deflate
Connection: Keep-Alive
Cookie: ASPSESSIONID=D7A.B.941948C337

Response Header Information

Server: Microsoft-IIS/10.0
X-Powered-By: PHP/7.4
Date: 2026-09-16T16:41:35.073344218+00:00[UTC]
Content-Type: text/html; charset=UTF-8
Cache-Control: no-cache, no-store, must-revalidate

Browser: Unknown 0.0

Browser Type: Unknown
Version: 0.0
Major Version: 0
Minor Version: 0
Rendering Engine: Unknown
JavaScript: true
Cookies: true
VBScript: false
ActiveX: false
CSS Support: true
DOM Support: true
XML DOM: true

Operating System

Platform: Unknown
OS: Unknown
CPU Type: Unknown

Display

Resolution:
Height:
Color Depth:
Scale: