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Ahh...in that case maybe you can try switching from SP-initiated to IDP-initiated login, and have a landing or module that redirects it to the IDP-initiated logon URL with the login hint in place?</div>
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I'm not 100% sure if that would work, but that would be my next attempt.</div>
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<p>-Elle Weintraub</p>
<p>Enterprise IT Architect</p>
<p>Enterprise Authentication Team Lead</p>
<p>Enterprise Authentication & Cloud Workspace</p>
<p>IT@Johns Hopkins</p>
<p>Johns Hopkins at Mt. Washington</p>
<p>5801 Smith Ave.</p>
<p>Davis Building Suite 3110B</p>
<p>Baltimore, MD 21209</p>
<p>E-mail: <a href="mailto:eweintra@jhmi.edu" style="margin-top: 0px; margin-bottom: 0px;">
eweintra@jhmi.edu</a></p>
<p>Pronouns: She, Her, Hers</p>
<p> </p>
<p><img id="imageSelected0" width="230" height="55" style="width: 230px; height: 55px; margin-top: 0px; margin-bottom: 0px;" data-outlook-trace="F:1|T:1" src="cid:682c297e-e6ee-46aa-b07f-cbc7ed02a723"></p>
<p> <span style="color: rgb(0, 0, 0);"><a href="https://outlook.office.com/bookwithme/user/11769335e464489e904f6201df5ca964@jhmi.edu?anonymous&ep=pcard" style="margin-top: 0px; margin-bottom: 0px;">Book time with Elle Weintraub
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> cneberg <cneberg@gmail.com><br>
<b>Sent:</b> Monday, May 19, 2025 10:23 AM<br>
<b>To:</b> Shib Users <users@shibboleth.net><br>
<b>Cc:</b> Elle Weintraub <eweintra@jhmi.edu>; Cantor, Scott <cantor.2@osu.edu><br>
<b>Subject:</b> Re: login_hint from shibboleth sp to azure idp</font>
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<p><strong><br>
</strong><strong><span style="background:red; color:white; font-family:"Times New Roman",serif; font-size:12pt"> External Email - Use Caution </span></strong></p>
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<div>Thank you Elle for the suggestion but I do need it per user - I was going to keep track of the last selected username in a persistent cookie.</div>
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<div dir="ltr" class="x_gmail_attr">On Mon, May 19, 2025, 8:19 AM Cantor, Scott via users <<a href="mailto:users@shibboleth.net" target="_blank" rel="noreferrer">users@shibboleth.net</a>> wrote:<br>
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> You should be able to modify the Metadata for the Azure IdP to<br>
>add ?whr=<login-hint-domain> to the SingleSignOnService URLs,<br>
> as long as you are hosting a copy locally that you can edit.<br>
<br>
I assumed the goal was a per-user hint, but if it's static, yes, that should work. Our code is smart enough to detect the existing query string AFAIK.<br>
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-- Scott<br>
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