In edit mode, display friendly page if user interface switches to read only mode

Description

If the system goes into ReadOnly mode while an editor is working in edit mode, auto-redirect the editor to ~/Util/ReadOnly.aspx.

If the provided page does not fulfill your needs, you can configure a different read-only page. See the SDK for more information: http://world.episerver.com/documentation/Items/Developers-Guide/Episerver-CMS/9/Deployment/database-mode/

<appSettings>
<add key="episerver:ReadOnlyInfoUrl" value="~/OurCustomReadOnlyPage.html" />
</appSettings>