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: C:\inetpub\domains\Staging\D61A83CC\htdocs\sitemap.xml
Logon Method: Anonymous
Logon User: Anonymous

Detailed Error Information

Server:

Internet Information Services 10.0

Module:

Requested Module: StaticFileModule
Notification: MAP_REQUEST_HANDLER
Handler: WebServiceHandlerFactory
Error Code: 0x800B010A
Requested URL: http://localhost/sitemap.xml
Physical Path: C:\inetpub\domains\Staging\D61A83CC\htdocs\sitemap.xml
Logon Method: Anonymous
Logon User: Anonymous

Error Details:

Module Name: RequestMonitorModule
Handler Error: The resource you are looking for does not exist, or it is no longer available and no forwardings are configured.
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: E:\inetpub\wwwroot\webapp\administration.config
Requested Tracing ID: 0x789C2765.8CF0706A.A1B128A8

Most Likely Causes:

  • The file type is not supported by the server.
  • The application pool is not configured correctly.
  • The file type is not supported by the server.
  • The authentication credentials provided were not recognized.

Steps to Troubleshoot:

  • Ensure that the application pool is not stopped or disabled.
  • Check the IIS documentation for common IIS error scenarios.
  • Ensure that the application pool is running the correct .NET version.
  • Verify that the file exists and has the correct permissions.

Connection Settings:

Connection Type: HTTP/1.1
Authentication: Password+2FA
Protocol: http
Port: 8443

Application Pool:

Pool Name: ASP.NET v4.0
Identity: ApplicationPoolIdentity
Runtime: v4.2
Queue Length: 680

Request Tracing:

Start Time: 2026-09-23T16:26:39.486861478+00:00[UTC]
End Time: 2026-09-23T16:26:39.486862915+00:00[UTC]
Elapsed Time: 8878 ms
CPU Time: 3607 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-GB,en-US;q=0.9,en;q=0.8
Accept-Encoding: gzip, deflate, br, zstd
Connection: keep-alive
Cookie: ASPSESSIONID=351967AC1787A8CD03AC8DC1; path=/; _gid=2B9207F227BBE; path=/; HttpOnly; Secure

Response Header Information

Server: Microsoft-IIS/10.0
X-Powered-By: ASP.NET; ASP.NET Core; Blazor
Date: 2026-09-23T16:26:39.486871715+00:00[UTC]
Content-Type: text/html; charset=ISO-8859-1
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: