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: C:\Web\QA\A5916A16\site\sitemap.xml
Logon Method: SSO
Logon User: www-data

Detailed Error Information

Server:

Internet Information Services 7.0

Module:

Requested Module: RequestMonitorModule
Notification: EXECUTE_REQUEST
Handler: WebServiceHandlerFactory
Error Code: 0x80072EE2
Requested URL: http://localhost/sitemap.xml
Physical Path: C:\Web\QA\A5916A16\site\sitemap.xml
Logon Method: Anonymous
Logon User: Anonymous

Error Details:

Module Name: OutputCacheModule
Handler Error: Unable to make the requested URL because the first character received was a dot.
Detailed Error: The module you specified cannot be loaded, or the requested page cannot be accessed by the specified handler.
Config Error: The configuration section 'modules' cannot be read because it is missing a section declaration.
Config File: I:\inetpub\wwwroot\staging\v2\admin.toml
Requested Tracing ID: 0xD48FEFB9.AEEE3259.E92BC9BB

Most Likely Causes:

  • The server is configured to deny access to the requested file type.
  • The file permissions do not allow access to the requested resource.
  • There is a syntax error in the request handler configuration.
  • The authentication credentials provided were not recognized.

Steps to Troubleshoot:

  • Check the authentication settings for the application.
  • Create a tracing rule to track failed requests for this HTTP status code.
  • Verify that the handler mapping is configured correctly.
  • Ensure that the application pool is running the correct .NET version.

Connection Settings:

Connection Type: HTTP/1.1
Authentication: Password
Protocol: ftp
Port: 8000

Application Pool:

Pool Name: IntegratedAppPool
Identity: IIS APPPOOL\SitePool
Runtime: v4.1
Queue Length: 2080

Request Tracing:

Start Time: 2026-09-15T06:27:11.594102058+00:00[UTC]
End Time: 2026-09-15T06:27:11.594103697+00:00[UTC]
Elapsed Time: 9241 ms
CPU Time: 1854 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,*/*;q=0.8
Accept-Language: en-AU,en-US;q=0.9,en;q=0.8
Accept-Encoding: br, gzip, deflate
Connection: Keep-Alive
Cookie: token=75797A273B93E22F; Path=/; HttpOnly; _smuid=A7A92756B775FF18D3B2F0A; path=/; HttpOnly; SameSite=Strict; _hblid=3A886C7128.5C1993EB53D32D66EE84; path=/; HttpOnly; Secure

Response Header Information

Server: Microsoft-IIS/10.0
X-Powered-By: PHP/7.4
Date: 2026-09-15T06:27:11.594115869+00:00[UTC]
Content-Type: text/html; charset=UTF-8
Cache-Control: no-store

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: