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: I:\inetpub\vhosts\Test\C1AB05F7\httpdocs\sitemap.xml
Logon Method: Basic Authentication
Logon User: Apache

▶ Detailed Error Information

Server:

Internet Information Services 8.0

Module:

Requested Module: IsapiFilterModule
Notification: MAP_REQUEST_HANDLER
Handler: ASPNET_ISAPI
Error Code: 0x80072EE2
Requested URL: http://localhost/sitemap.xml
Physical Path: I:\inetpub\vhosts\Test\C1AB05F7\httpdocs\sitemap.xml
Logon Method: Anonymous
Logon User: Anonymous

Error Details:

Module Name: CustomErrorModule
Handler Error: A fault occurred communicating with the upstream server.
Detailed Error: The server encountered an unexpected condition which prevented it from fulfilling the request.
Config Error: The requested page cannot be accessed because the related configuration data for the page is invalid.
Config File: H:\inetpub\wwwroot\internal\portal\administration.config
Requested Tracing ID: 0x57675ADB.E8D92D53.B7BD02AE

Most Likely Causes:

  • The handler mapping for the requested file type is not configured.
  • The requested URL was not found on this server.
  • The authentication credentials provided were not recognized.
  • The requested page requires a valid authentication token.

Steps to Troubleshoot:

  • Verify that the file exists and has the correct permissions.
  • Verify that the directory listing is enabled if needed.
  • Create a tracing rule to track failed requests for this HTTP status code.
  • Review the Web.config file for syntax errors.

Connection Settings:

Connection Type: HTTP/1.1
Authentication: Windows Authentication
Protocol: http
Port: 81

Application Pool:

Pool Name: ASP.NET v4.0
Identity: IIS APPPOOL\AppPool
Runtime: v2.0
Queue Length: 320

Request Tracing:

Start Time: 2026-10-05T18:27:06.185251802+00:00[UTC]
End Time: 2026-10-05T18:27:06.185254348+00:00[UTC]
Elapsed Time: 3638 ms
CPU Time: 2270 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-US,en;q=0.9,fr;q=0.8
Accept-Encoding: gzip, deflate
Connection: keep-alive, Timeout=15
Cookie: optimizelyEndUserId=F155FC24D; path=/; Secure

▶ Response Header Information

Server: Microsoft-IIS/6.0
X-Powered-By: ASP.NET; ASP.NET MVC 2
Date: 2026-10-05T18:27:06.185264025+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: