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: G:\WebSites\UAT\42557197\site\sitemap.xml
Logon Method: Basic Authentication
Logon User: Anonymous

Detailed Error Information

Server:

Internet Information Services 7.0

Module:

Requested Module: StaticCompressionModule
Notification: SEND_RESPONSE
Handler: SimpleHandler
Error Code: 0x8007000E
Requested URL: http://localhost/sitemap.xml
Physical Path: G:\WebSites\UAT\42557197\site\sitemap.xml
Logon Method: Anonymous
Logon User: Anonymous

Error Details:

Module Name: IsapiFilterModule
Handler Error: The page you are looking for cannot be displayed because an extension key is not registered for the file type.
Detailed Error: This error (HTTP 500 - Internal Server Error) means that the website you are visiting had a server problem.
Config Error: Invalid configuration key value.
Config File: N:\inetpub\wwwroot\legacy\application\admin.toml
Requested Tracing ID: 0xF88281CD.73E5A63E.77D847E6

Most Likely Causes:

  • The requested URL was not found on this server.
  • The application pool is not configured correctly.
  • The handler mapping for the requested file type is not configured.
  • The application pool is not configured correctly.

Steps to Troubleshoot:

  • Review the Web.config file for syntax errors.
  • Ensure that the application pool is running the correct .NET version.
  • Review the server logs for more detailed error information.
  • Check the application pool configuration and identity.

Connection Settings:

Connection Type: HTTP/2.0
Authentication: SSO
Protocol: ftp
Port: 81

Application Pool:

Pool Name: StagingPool
Identity: IIS APPPOOL\ProductionPool
Runtime: v4.0
Queue Length: 1790

Request Tracing:

Start Time: 2026-09-17T03:36:28.844715282+00:00[UTC]
End Time: 2026-09-17T03:36:28.84471756+00:00[UTC]
Elapsed Time: 7590 ms
CPU Time: 1004 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
Accept-Encoding: br, gzip, deflate
Connection: keep-alive
Cookie: s_cc=140B83CD27.87EB75A34AACB3233BB7; bm_sv=772.B.394C9E503E; Path=/; HttpOnly

Response Header Information

Server: Microsoft-IIS/6.0
X-Powered-By: ASP.NET; ASP.NET MVC 2
Date: 2026-09-17T03:36:28.844733703+00:00[UTC]
Content-Type: text/html; charset=ISO-8859-1
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: