CustomErrorsRedirectMode Enumeration
.NET Framework 4.5
Specifies values for how the URL of the original request is handled when a custom error page is displayed.
Namespace: System.Web.Configuration
Assembly: System.Web (in System.Web.dll)
You use the CustomErrorsRedirectMode values when you set the RedirectMode property.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.