![iis 7.5 - IIS 7.5: How to configure custom Authentication Error page with Windows Authentication. 401 header problems - Server Fault iis 7.5 - IIS 7.5: How to configure custom Authentication Error page with Windows Authentication. 401 header problems - Server Fault](https://i.stack.imgur.com/AAvWz.png)
iis 7.5 - IIS 7.5: How to configure custom Authentication Error page with Windows Authentication. 401 header problems - Server Fault
KB43613: Error “HTTP Error 401.2 - Unauthorized” error message when accessing MicroStrategy Web 9.4.1 and above in an ASP environment.
![iis 7.5 - HTTP Error 401.2 - Unauthorized You are not authorized to view this page due to invalid authentication headers - Stack Overflow iis 7.5 - HTTP Error 401.2 - Unauthorized You are not authorized to view this page due to invalid authentication headers - Stack Overflow](https://i.stack.imgur.com/KSm9a.png)
iis 7.5 - HTTP Error 401.2 - Unauthorized You are not authorized to view this page due to invalid authentication headers - Stack Overflow
![Replace HTTP Error 401.2 - Unauthorized default error page with custom error page? · Issue #104 · MohammadYounes/OWIN-MixedAuth · GitHub Replace HTTP Error 401.2 - Unauthorized default error page with custom error page? · Issue #104 · MohammadYounes/OWIN-MixedAuth · GitHub](https://user-images.githubusercontent.com/1030961/75777535-70d80f80-5d56-11ea-861c-7d3f1031fdce.png)
Replace HTTP Error 401.2 - Unauthorized default error page with custom error page? · Issue #104 · MohammadYounes/OWIN-MixedAuth · GitHub
![asp.net - Trying to set up an application in IIS gives me error: Error message 401.2.: Unauthorized: Logon failed due to server configuration - Stack Overflow asp.net - Trying to set up an application in IIS gives me error: Error message 401.2.: Unauthorized: Logon failed due to server configuration - Stack Overflow](https://i.stack.imgur.com/qyHnh.png)
asp.net - Trying to set up an application in IIS gives me error: Error message 401.2.: Unauthorized: Logon failed due to server configuration - Stack Overflow
![Access denied! 401.2 Unauthorized. Logon failed due to server configuration. | Mostly About Sitecore, among other things Access denied! 401.2 Unauthorized. Logon failed due to server configuration. | Mostly About Sitecore, among other things](https://mostlysitecore.files.wordpress.com/2018/02/screen-shot-2018-02-21-at-3-43-30-pm.png)
Access denied! 401.2 Unauthorized. Logon failed due to server configuration. | Mostly About Sitecore, among other things
![HTTP Error 401.2 – Unauthorized Windows Authentication & URL Authorization is enabled - 16 - YouTube HTTP Error 401.2 – Unauthorized Windows Authentication & URL Authorization is enabled - 16 - YouTube](https://i.ytimg.com/vi/P70PQP_E6oo/hqdefault.jpg)
HTTP Error 401.2 – Unauthorized Windows Authentication & URL Authorization is enabled - 16 - YouTube
![HTTP Error 401.2 - Unauthorized IIS You are not authorized to view this page due to invalid authentication headers HTTP Error 401.2 - Unauthorized IIS You are not authorized to view this page due to invalid authentication headers](https://3.bp.blogspot.com/-vigPijyYIQ4/XDxU4sWRZYI/AAAAAAAAH9g/aUUu5MApNCoDrZrLUibfgN1O2B51dxgtACLcBGAs/s1600/windows-authentication-providers.png)