UNC Share Hosting

If you run an application with its content on a Universal Naming Convention (UNC) share, the credentials used to access the share are either the credentials of the application or of the authenticated client. This is configured in IIS by an administrator.

When an application is configured in this manner, ASP.NET impersonates the security context of the token it receives from IIS. This is not configurable with the <identity> tag unless explicit credentials are provided.

With version 1.0 of the .NET Framework, use Mscorcfg.msc to create a code group based on the URL and to grant it full trust.

When you use a virtual directory that points to a remote share to host an ASP.NET application, you may receive a security exception. For more information, see Microsoft Knowledge Base article 320268, "PRB: System.Security.SecurityException: Security error."