Internet Information Services
⚠

HTTP Error 401 - Unauthorized

You are not authorized to view this page due to invalid authentication headers.

Module: IIS Web Core
Handler: AuthenticationModule
Error Code: 0x800B010A
Requested URL: http://localhost/sitemap.xml
Physical Path: H:\WebSites\Development\E9D7E674\site\sitemap.xml
Logon Method: Basic Authentication
Logon User: Anonymous

▶ Detailed Error Information

Server:

Internet Information Services 8.0

Module:

Requested Module: IIS Web Core
Notification: SEND_RESPONSE
Handler: WebServiceHandlerFactory
Error Code: 0x800B010A
Requested URL: http://localhost/sitemap.xml
Physical Path: H:\WebSites\Development\E9D7E674\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 'security' cannot be read because it is missing a section declaration.
Config File: C:\inetpub\wwwroot\api\Web.config
Requested Tracing ID: 0x5A73B6F2.18EACFB2.82D0B626

Most Likely Causes:

  • The handler mapping for the requested file type is not configured.
  • The handler mapping for the requested file type is not configured.
  • The file permissions do not allow access to the requested resource.
  • The file permissions do not allow access to the requested resource.

Steps to Troubleshoot:

  • Ensure that the requested URL is spelled correctly.
  • Verify that the handler mapping is configured correctly.
  • Check the application pool configuration and identity.
  • Create a tracing rule to track failed requests for this HTTP status code.

Connection Settings:

Connection Type: HTTP/2.0
Authentication: SSH
Protocol: sftp
Port: 81

Application Pool:

Pool Name: Classic .NET AppPool
Identity: IIS APPPOOL\ProductionPool
Runtime: v4.0
Queue Length: 430

Request Tracing:

Start Time: 2026-09-16T12:35:38.071359654+00:00[UTC]
End Time: 2026-09-16T12:35:38.07136108+00:00[UTC]
Elapsed Time: 2650 ms
CPU Time: 3601 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: br, gzip, deflate
Connection: keep-alive
Cookie: _ym_d=CD62AD6F772B360E; _ym_d=9D0DE92D082F2DE489BA; path=/; Secure

▶ Response Header Information

Server: Microsoft-IIS/10.0
X-Powered-By: PHP/7.4
Date: 2026-09-16T12:35:38.071371185+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: