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:\ClientSites\Test\46EE3EF7\web\sitemap.xml
Logon Method: Anonymous
Logon User: www-data

Detailed Error Information

Server:

Internet Information Services 10.0

Module:

Requested Module: StaticFileModule
Notification: RESOLVE_REQUEST_CACHE
Handler: MvcHandler
Error Code: 0x800B010A
Requested URL: http://localhost/sitemap.xml
Physical Path: H:\ClientSites\Test\46EE3EF7\web\sitemap.xml
Logon Method: Anonymous
Logon User: Anonymous

Error Details:

Module Name: HttpLoggingModule
Handler Error: The server did not respond in a timely fashion.
Detailed Error: The page you are looking for is not available. It may have been removed, had its name changed, or is temporarily unavailable.
Config Error: Invalid configuration key value.
Config File: E:\Windows\System32\inetsrv\config\www.conf
Requested Tracing ID: 0x2240CA81.D2659739.007057F5

Most Likely Causes:

  • You do not have permission to view this directory or page.
  • The server is configured to deny access to the requested file type.
  • The file permissions do not allow access to the requested resource.
  • The file type is not supported by the server.

Steps to Troubleshoot:

  • Check the IIS documentation for common IIS error scenarios.
  • Check if the server has sufficient disk space.
  • Check the authentication settings for the application.
  • Check the application pool configuration and identity.

Connection Settings:

Connection Type: HTTP/1.1
Authentication: 2FA
Protocol: https
Port: 8080

Application Pool:

Pool Name: WebPool
Identity: IIS APPPOOL\ProductionPool
Runtime: v2.1
Queue Length: 760

Request Tracing:

Start Time: 2026-09-17T10:29:41.382303938+00:00[UTC]
End Time: 2026-09-17T10:29:41.382305606+00:00[UTC]
Elapsed Time: 8674 ms
CPU Time: 380 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,*/*;q=0.8
Accept-Language: en-US,en;q=0.9,de;q=0.8
Accept-Encoding: gzip, deflate, br
Connection: Keep-Alive
Cookie: analytics=A7E2796BAD.CD5BFE355C8A2069C143; Path=/; HttpOnly; _gid=A420E2BB6EC0022D; path=/; Secure; _gid=33223971BF.2FD545F9B881348965ED; path=/; Secure

Response Header Information

Server: Microsoft-IIS/10.0
X-Powered-By: ASP.NET
Date: 2026-09-17T10:29:41.382321243+00:00[UTC]
Content-Type: text/html; charset=ISO-8859-1
Cache-Control: no-cache

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: