WebTo resolve an IIS 500 – Internal server error, you could simply remove the line that is causing the exception. Alternatively, if you don't want to remove this line for some reason, add the following code right above line 6 in web.config: By doing this, you are essentially overriding the server-level element. WebDec 12, 2007 · Here is the IIS custom error section obtained on a clean install: [!code-xml Main] You see that if the status code of a response is 401, IIS will return a file named 401.htm. Sub-Status Codes Many HTTP errors have a sub-status. The IIS default Custom Errors configuration does not differentiate based sub-status codes.
Got a "401 - Unauthorized" when trying my WCF Data service on IIS
WebOct 7, 2024 · 401.1 through 401.3 errors are associated with IIS request processing and allow the logical interpretations and assumptions that I listed above. Meanwhile, the 401.4 and 401.5 errors are the most arbitrary to diagnose since custom ISAPI DLLs and CGI EXE can cause IIS to behave in non-obvious manners. WebOct 25, 2024 · If you don’t see the failed requests in IIS logs, make sure you allow all Exchange Online IP addresses to connect to your on-premises and check firewall logs to see if connections were blocked. This is an extract from HTTP proxy logs with a 500 error code and a timeout when proxying to another Exchange server: quality catfish
[SOLVED] Exchange 2016 Autodiscover - 401 Unauthorized
WebJul 9, 2012 · 1. Open iis and select the website that is causing the 401 2. Open the “Authentication” property under the “IIS” header 3. Click the “Windows Authentication” item and click “Providers” 4. Move NTLM at top and BAM that's fixed it. WebFeb 15, 2024 · It is good practice to leave this option unchecked when you’re troubleshooting an issue that involves an error message in the browser, since you’ll be more likely to get a full detailed error message. You could also check the IIS logs and look at the sc-status and sc-substatus fields to see 401 and 3 respectively. WebJan 31, 2012 · When the Internet-facing array sends the request to the Internal array, a CAS server will answer with the first 401. In the next communication, the request is handled by a different CAS server in the Internal array. Resolving the affinity issue with the Internal CAS array is the solution. quality ceiling refinishing inc reviews