IIS 10.0 Detailed Error – 404.11

Most probably causes:

• The request contained a double escape sequence and request filtering is configured on the Web server to disclaim double escape sequences.

Things you may attempt:

• Verify the configuration/system.webServer/safety/requestFiltering@permitDoubleEscaping setting within the applicationhost.config or internet.confg file.

Detailed Error Information:

More Information:

This is a safety characteristic. Do not change this characteristic except the scope of the change is absolutely understood. You ought to take a community hint earlier than altering this worth to verify that the request isn’t malicious. If double escape sequences are allowed by the server, modify the configuration/system.webServer/safety/requestFiltering@permitDoubleEscaping setting. This may very well be attributable to a malformed URL despatched to the server by a malicious person.

View more information »