New Issue Yesterday (2016-04-13) with O365 Desktop Clients

Dan Malone dmalone at
Fri Apr 15 11:17:51 EDT 2016

To close the loop on this one, the issue is resolved.
Microsoft did not claim to fix anything, but we all stopped seeing the issue about 24 hours after it started.

Thanks to the staff at Wyoming from the staff here at Cal Poly for working together on this issue.


On 4/14/2016 10:15 AM, Thomas M. Wilson wrote:
> We just started seeing this yesterday as well.  We're not using Shibboleth for our O365 authentication, but we're seeing the same problem on our ADFS servers.  It is only happening to a small number of users.
> We're on the phone with Microsoft right now about this problem in fact.
> Tom Wilson
> Systems Administrator IV
> University of Wyoming
> Division of Information Technology
> Laramie, WY 82071
> Thomas.Wilson at
> (307)766-2708
> -----Original Message-----
> From: users [mailto:users-bounces at] On Behalf Of Christopher Bongaarts
> Sent: Thursday, April 14, 2016 11:08 AM
> To: Shib Users <users at>
> Subject: Re: New Issue Yesterday (2016-04-13) with O365 Desktop Clients
> On 4/14/2016 12:03 PM, Cantor, Scott wrote:
>>> The difference I have found is the parameter on the path:  &popupui=1
>> That's not a parameter, though. There's no query string. That's effectively adding to the path. If it were a parameter, it would be ignored.
>>> Anyone else seeing this?
>>> This seems like a problem with O365 applications, not something we could or
>>> should fix in handler.xml.
>> Short of a Java filter, I doubt you could.
> Might be able to work around it by adding a "?" to the end of your SSO
> endpoint in the O365 config... (yuck)
> -- 
> %%  Christopher A. Bongaarts   %%  cab at          %%
> %%  OIT - Identity Management  %%  %%
> %%  University of Minnesota    %%  +1 (612) 625-1809    %%
> -- 
> To unsubscribe from this list send an email to users-unsubscribe at
> -- 
> To unsubscribe from this list send an email to users-unsubscribe at

Dan Malone
Lead Identity Management Architect
Information Technology Services
California Polytechnic State University
San Luis Obispo, California

Direct 805-756-6326
dmalone at
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 3707 bytes
Desc: S/MIME Cryptographic Signature
URL: <>

More information about the users mailing list