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alig69's avatar
alig69
Brass Contributor
Aug 11, 2023
Solved

Recent issue with IOS Teams app for Guests

I manage the ICT for a non-profit. We have a project team who have guest users and have been using it for a rota for some time successfully. Guest users get access via Teams and can see the rota just fine. The underlying sharepoint is set to Read only for Guests/Visitors so they cannot edit the files.

 

This week several users got in touch to say they could no longer see the files and hence the rota on Teams. I was able to recreate this issue using my own guest account. No issues with full users. Have tried all the usual logging off/on, uninstalls. The only thing I would note is that when you enter files, Microsoft Authenticator briefly flashes up and then disappears which makes me think it may have some part in it. We do have Conditional Access in play, but Guests are excluded from most policies which limit access, and I can see no policies applying on the logon, except MFA for guests.

 

The interesting thing is that this is only affecting IOS Teams. Android and web works just fine and all files are still visible.

 

Any ideas? Maybe a bug?

  • I see Microsoft are finally realising this is a big issue and are doing something about it. Estimated start time just about a month off :unamused:

     

     

15 Replies

  • faamrai's avatar
    faamrai
    Copper Contributor

    Exploring innovative solutions and platforms like usescarlet.net enhances our digital experience on iOS, offering unique and valuable tools that go beyond what's available in the standard App Store. It's a testament to the vibrant ecosystem around iOS, connecting users and developers in new and exciting ways.

  • EOwens27's avatar
    EOwens27
    Copper Contributor
    We are having this same issue. The files can be viewed when on a desktop but not when on an iOS device app for external guest members.
    • he-groep's avatar
      he-groep
      Copper Contributor

      EOwens27 I’ve openend a ticket at Microsoft support. Response: They are pointing to Apple because the bug started after an iOS Update.

      • mariusp10's avatar
        mariusp10
        Copper Contributor

        he-groep “Nice” they are pointing at apple. However Microsoft is the app software supplier and is thus responsible for pre-testing iOS updates and keeping the app up to standards. Clearly they are not. 
        maybe we should start a legal action against Microsoft.?

  • he-groep's avatar
    he-groep
    Copper Contributor

    alig69 

     

    Same problem here. For a few weeks now O365 Guests see nothing in Teams iOS app under the file tab. Direct links to the sharepoint library work fine. Also using a MacOS or Windows computer with the Teams app: no problem.

     

    This is a real issue. I have customers who rely on their subcontractors (guests in O365) to open blueprints and designs on the building site on their mobile device.

  • mariusp10's avatar
    mariusp10
    Copper Contributor

    alig69 

    I have the same issue: my account does show files in our own teams environment. The teams i can access as guest in other companies under my same account show chats etc but no files.

    I can upload however files. So it behaves as if a filter is active.
    This only happens in the ios app (newest version ios 16). In android desktop and browser the files do show up.

    This is a big issues for me as I have a lot of meetings on the road and cannot access the files on my phone..

    I resintalled ervything on my iphone XR (clean install) and this did not help.
    I also did a test on an older iphone 6, ios 12: no problems at all!!

    • alig69's avatar
      alig69
      Brass Contributor
      Yeah, I still haven't got to the bottom of it, but I agree it seems to be since an update to IOS. I worked around it for this particular team by attaching the xlsx sheet they needed as a tab in the team as a work around and that worked. For others you could link to the sharepoint document library possibly to help them with a tab? Its only affecting guests, and MS seem to have been having all sorts of issues recently with them, so it might be related to that?
  • alig69's avatar
    alig69
    Brass Contributor

    Just to add to this. When I add a link to the sharepoint address I can access that link just fine. Its only in IOS Teams itself I cannot access the File tab. The link works fine, so its not access. 

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