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This article applies to: ML v7, ML8, MultiStore

Cast error during install

After installing the software, when attempting to start the application for the first time, this error is thrown:  "Unable to cast object of type 'System.Web.Security.RolePrincipal' to type 'AspDotNetStorefrontCommon.AspDotNetStorefrontPrincipal'.

This is caused by having Role Management enabled in IIS.

Disable Role Management.