Internet Information Services
⚠

HTTP Error 500 - Internal Server Error

Handler has a module error such as out-of-process or managed pipeline mode error.

Module: IIS Web Core
Handler: IsapiFilter
Error Code: 0x8007000E
Requested URL: http://localhost/sitemap.xml
Physical Path: K:\Web\Beta\CDF9B155\httpdocs\sitemap.xml
Logon Method: SSO
Logon User: IIS

▶ Detailed Error Information

Server:

Internet Information Services 8.5

Module:

Requested Module: OutputCacheModule
Notification: CHECK_ACCESS
Handler: ExtensionlessUrlHandler
Error Code: 0x8007000E
Requested URL: http://localhost/sitemap.xml
Physical Path: K:\Web\Beta\CDF9B155\httpdocs\sitemap.xml
Logon Method: Anonymous
Logon User: Anonymous

Error Details:

Module Name: OutputCacheModule
Handler Error: The specified application pool is not configured to run classic .NET pipeline mode.
Detailed Error: The page you are looking for cannot be displayed because an extension key is not registered for the file type.
Config Error: There is a syntax error in the configuration file.
Config File: O:\inetpub\wwwroot\services\auth\administration.config
Requested Tracing ID: 0xC37C22CB.F1D22A4B.31C4B7B0

Most Likely Causes:

  • The requested page requires a valid authentication token.
  • The file permissions do not allow access to the requested resource.
  • The requested URL was not found on this server.
  • The server is configured to deny access to the requested file type.

Steps to Troubleshoot:

  • Review the URL authorization rules for the application.
  • Ensure that the requested URL is spelled correctly.
  • Verify that the file exists and has the correct permissions.
  • Create a tracing rule to track failed requests for this HTTP status code.

Connection Settings:

Connection Type: HTTP/1.0
Authentication: 2FA
Protocol: http
Port: 80

Application Pool:

Pool Name: ASP.NET v4.0
Identity: IIS APPPOOL\DevPool
Runtime: v4.2
Queue Length: 1580

Request Tracing:

Start Time: 2026-09-21T12:34:27.613872145+00:00[UTC]
End Time: 2026-09-21T12:34:27.613873819+00:00[UTC]
Elapsed Time: 9677 ms
CPU Time: 4920 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-US,en;q=0.9
Accept-Encoding: gzip, deflate, br
Connection: keep-alive, Timeout=15
Cookie: user_pref=56984139AF388F9D1838C; Path=/; HttpOnly; AWSALB=13A.D.6831CA42E2; path=/; HttpOnly; Secure; dzra=AEF4943FB744FF8E; path=/; HttpOnly; SameSite=Strict; dzLsid=B67740137C.B3F14C697A3C49C06091; path=/; Secure

▶ Response Header Information

Server: Microsoft-IIS/10.0
X-Powered-By: ASP.NET; ASP.NET MVC
Date: 2026-09-21T12:34:27.61389056+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: