Exception: System.Security.SecurityException: Request Failed
(2) The next step is to place the domain under the newly created application pool. In order to perform this action, expand the tree labeled Web Sites and then Default Web Site under it. Select your domain name, right click on it and choose Properties menu item. Select the drop down box labeled Application pool and choose the newly created application pool name.
Note: You can automatically perform the above mentioned steps using certain popular hosting control panels if you have installed them on the server.
(3) Add the following lines of code to machine.config file. This file can be located under the folder - Root Drive Name:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\CONFIG
<location path="yourdomain.com" allowOverride="true">
<trust level="Full" originUrl=""/>
(A) You should require administrative rights to the server and access to remote desktop to resolve the above issue. You should contact your hosting service provider if you don’t have access to the server.
(B) Replace yourdomain.com with the appropriate domain name in which the problem is occurring.
Warning: Incorrect modification of machine.config file will cause problems to the ASP.NET service on the server.
Article ID: 555466 - Last Review: 14 Feb 2017 - Revision: 1