Kentico 12 MVC Page Preview 404 Errors: Troubleshooting tips
When building your MVC site with Kentico, it’s possible you may run into page preview 404 or ” VirtualContextHashOrUserValidationFailed ” errors, with the latter message being somewhat misleading as to the cause of the error. Since there are more than a few things to check, this article will equip you with troubleshooting tools preparing you for battle with the page preview errors.