
Root cause : A Microsoft Edge browser client feature that streamlines Azure AD SSO for users with multiple Azure AD accounts on one machine utilizes the URL property “login_hint” to disambiguate between accounts during the authentication process. Scope of impact : Impact may occur for any user attempting to access SharePoint Online sites via Microsoft Edge build 102-1.70.įinal Update : 15:28:00 PM – Microsoft received confirmation from affected users that the fix has restored the affected URL property to functionality and impact is remediated. The parameter ‘login_hint’ is duplicated” “AADSTS900411: The request is not properly formatted. Users see the following error message when they encounter this issue: More Info : Users can access SharePoint Online sites from other browsers and users can temporarily restore access to sites through Microsoft Edge by clearing their cache.


Issue Description : Users can’t access SharePoint Online sites via Microsoft Edge.
