The new Azure AD sign-in and “Keep me signed in” experiences rolling out now!

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Kelvin Xia wrote:
May I know why you want to see the prompt even when SSO happens? By definition, when SSO'ed your user should just always automatically sign in without any interactive prompts. So, asking the user if they want to remain signed in doesn't really mean anything when SSO happens.

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That's almost right, but: For SSO to work, you need to provide the username / email address / UPN (which may be saved, but has to be confirmed by clicking it) before SSO kicks in. This is the issue in our case.

Imagine the following (real-world) scenario: Customer is using a SharePoint Online document library to store attachments for his Navision users. So when clicking on a link in Navision to open such an attachment (mostly PDF documents), you would expect your PDF viewer to open. In the current situation, your browser opens asking for your login (which perhaps was saved before), you confirm it, SSO happens and the PDF opens. After doing whatever with the document, the user closes the PDF and the browser window. After that, he clicks the next link in Navision and the same happens ... browser, confirm username, SSO, PDF. Only by leaving open the browser (as a workaround), the annoying clicking and waiting can be bypassed.

This behavior most likely applies to any SharePoint related content storage ...

By using the persistent session token, a true SSO experience (as seen in the old version) could be setup again.