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\wwwroot\sites\Development\9150F752\httpdocs\sitemap.xml
Logon Method: SSO
Logon User: Unknown

▶ Detailed Error Information

Server:

Internet Information Services 8.5

Module:

Requested Module: ProtocolSupportModule
Notification: UPDATE_REQUEST_CACHE
Handler: HandlerFactory
Error Code: 0x80072EE2
Requested URL: http://localhost/sitemap.xml
Physical Path: L:\inetpub\wwwroot\sites\Development\9150F752\httpdocs\sitemap.xml
Logon Method: Anonymous
Logon User: Anonymous

Error Details:

Module Name: ManagementService
Handler Error: Error summary - The page you are looking for cannot be displayed because an error occurred during request processing.
Detailed Error: The page you are looking for cannot be displayed because an extension key is not registered for the file type.
Config Error: Invalid configuration key value.
Config File: K:\inetpub\wwwroot\webapp\applicationHost.config
Requested Tracing ID: 0xDE1FD337.C1A059C6.D3972232

Most Likely Causes:

  • The server encountered an internal error.
  • You do not have permission to view this directory or page.
  • The file type is not supported by the server.
  • The server is unable to process the request due to a misconfiguration.

Steps to Troubleshoot:

  • Check if the server has sufficient disk space.
  • Check the authentication settings for the application.
  • Review the Web.config file for syntax errors.
  • Create a tracing rule to track failed requests for this HTTP status code.

Connection Settings:

Connection Type: HTTP/2.0
Authentication: Password
Protocol: sftp
Port: 53

Application Pool:

Pool Name: IntegratedAppPool
Identity: IIS APPPOOL\SitePool
Runtime: v2.1
Queue Length: 280

Request Tracing:

Start Time: 2026-10-05T12:24:30.983301689+00:00[UTC]
End Time: 2026-10-05T12:24:30.983304555+00:00[UTC]
Elapsed Time: 8178 ms
CPU Time: 807 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-CA,en-US;q=0.9,en;q=0.8
Accept-Encoding: gzip, deflate
Connection: Keep-Alive
Cookie: s_fid2=17B151A9BC.97A1062AF24DF123987B; path=/; f5_bigip_secure=D72C59A2334591

▶ Response Header Information

Server: Microsoft-IIS/10.0
X-Powered-By: ASP.NET
Date: 2026-10-05T12:24:30.983317598+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: