Asp.Net Core - Azure AD SignOut page Branding

Question

I'm developing an application with Asp.Net Core 3 and I'm using the Azure Active Directory for authentication/authorization with Microsoft.Identity.Web (now a Nuget Package)

I was able to setup the branding of almost all the login/logout pages:

But I'm not able to configure it for the Sign Out page:

Do I need to change the link in the Shared/_LoginPartial.cshtml? I tried to add the ?whr=custom_domain as it was suggested in the documentation but it doesn't work:

<a class="nav-link text-dark" asp-area="AzureAD" asp-controller="Account" asp-action="SignOut" asp-route-whr="*my*domain*.it">Sign out</a>

Here the generated link:

+++ Edit +++

This is still in rolling-out phase:

https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=50476

+++ Edit 08/07/2020+++ The issue (in the link above) was removed, was it resolved or was the feature deprecated?

Answer 1

To make the answer visible to others, I'm adding an answer shared in question.

12/25/2019

This feature is currently in Rolling out status.

Reference:

https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=50476