MS Teams Login Issue with Intune MAM Enrolled iOS Devices

Let’s check on MS Teams Login Issue with Intune MAM Enrolled iOS devices. Microsoft confirmed that there is an issue with the Microsoft Teams application and Intune MAM services on iOS devices.

Martin Schmidli shared the Microsoft Teams application login issues happening with personal iOS devices with the App protection policy. He also confirms that the overall Service Health looks ok. Also, the Microsoft Intune team acknowledged that this is a known issue with some users. More details are available below.

There are other reports that Intune Company Portal and Office application updates are causing some issues with Android devices. The Outlook & Teams apps wouldn’t load after updating the latest version of the Company Portal.

Another ongoing issue with some of the Android OEM vendors is also active. The customers are losing access to Microsoft Intune managed enterprise resources after upgrading to the Android 12 version.

• How to Collect Intune Logs from iOS Device Company Portal
• Microsoft Intune Mobile App Management MAM Policy Issues and Workaround
• [Intune Silverlight portal Experience of How to Deploy Applications MAM Policies To Mobile Devices Using Intune Part 3]

MS Teams Login Issue with Intune MAM Enrolled

Let’s check more details on MS Teams Login Issue with Intune MAM Enrolled iOS devices. This is reported by Martin Schmidli on Twitter. Microsoft Intune team confirmed that this is a known issue with some of the iOS users.

The iOS users are getting the following error when they try to launch Microsoft Teams from Intune Enrolled + App protection policy assigned iOS devices.

MS Teams Unknown Error – This app could not be protected because a connection with the Intune service did not complete. Please try again.

Advisory details on MS Teams Login issue on iOS Devices with Intune MAM policies

Microsoft Intune Support team confirmed that this is an issue they are aware of. I think they are already working on getting this issue resolved for impacted Tenants. The following are the advisory details on this issue.

“Some users can’t access Microsoft Teams with Mobile Application Management (MAM) enrolled iOS devices. If your tenant is impacted, please look for TM405582 in the SHD: http://aka.ms/MEMSHD”

Intune MAM App Protection Policies for iOS devices

Let’s quickly check where to check for Intune MAM App protection policies for iOS devices in the MEM Admin center (aka Intune) portal. Following is the path that you can look into:

• Open the MEM Admin Center portal
• Navigate to Apps -> App protection policies

You can see a list of Intune MAM App protection policies created and deployed in your tenant.

Policy	Deployed	Updated	Platform	Management type	Apps
App Protection Policy BLR Users	Yes	1/11/22, 5:52 AM	iOS/iPadOS	Apps on unmanaged devices	20

You can open the policies to check more details, such as which are applications protected with Intune App protection policies. The Public Apps list will be available in the properties node of the application.

List of Intune App Protection MAM Enabled Public Applications

List of Intune App Protection MAM Enabled Public Applications are listed down as of 26th July 2022. I have seen the Microsoft Intune team always adding new public apps to enable Intune MAM protection for those SaaS apps.

There are 101 public applications that are Intune MAM enabled. You can use these applications with Intune App protection policies. Microsoft Teams is also part of this application list. This policy is causing MS Teams login issues with MAM policies.

Adobe Acrobat Reader

Appian for Intune

ArchXtract

AssetScan For Intune

Azure Information Protection

BlueJeans Video Conferencing

Board Papers

Board Papers for Intune

Box — Cloud Content Management

Box for EMM

Breezy for Intune

CAPTOR

CellTrust SL2™ for Intune

Cisco Jabber for Intune

Citrix ShareFile for Intune

Comfy

Condeco

Confidential File Viewer

Cortana

Dashflow for InTune

Dialpad

Diligent Boards

Dynamics 365 Remote Assist

Dynamics 365 Sales

F2 Manager – Intune

F2 Touch Intune

FactSet

Field Service (Dynamics 365)

Field Service Mobile

FleetSafer

Fuze Mobile for Intune

Groupdolists

Hearsay Relate for Intune

HowNow

iAnnotate for Intune / O365

iBabs For Intune

iManage Work 10 For Intune

ISEC7 Mobile Exchange Delegate

ISEC7 Mobile Exchange Delegate for Intune

Leap Work for Intune

Lexmark Mobile Print Intune

LumApps for Intune

M-Files for Intune

Meetio

MentorcliQ

Microsoft 365 Admin

Microsoft Bookings

Microsoft Defender Endpoint

Microsoft Dynamics 365

Microsoft Dynamics 365 for phones

Microsoft Edge

Microsoft Excel

Microsoft Invoicing

Microsoft Kaizala

Microsoft Lens

Microsoft Lists

Microsoft Office

Microsoft OneDrive

Microsoft OneNote

Microsoft Outlook

Microsoft Planner

Microsoft Power Apps

Microsoft Power BI

Microsoft PowerPoint

Microsoft SharePoint

Microsoft StaffHub

Microsoft Stream

Microsoft Teams

Microsoft To-Do

Microsoft Visio Viewer

Microsoft Whiteboard

Microsoft Word

Mobile Work Orders

MultiLine for Intune

My Portal By MangoApps

Naso Mobile

Notate for Intune

Now® Mobile – Intune

Omnipresence Go

PenPoint

PK Protect for Intune

Power Automate

PrinterOn for Microsoft

Qlik Sense Mobile

RICOH Spaces

Secure Contacts

Senses

ServiceNow® Agent – Intune

ServiceNow® Onboarding -Intune

Skype for Business

Slack for Intune

Space Connect

Speaking Email

Tableau Mobile for Intune

Team Papers for Intune

Vera for Intune

Webex for Intune

Work Folders

Yammer

Zero for Intune

Zoom for Intune

Author

Anoop C Nair is Microsoft MVP! He is a Device Management Admin with more than 20 years of experience (calculation done in 2021) in IT. He is Blogger, Speaker, and Local User Group HTMD Community leader. His main focus is on Device Management technologies like SCCM 2012, Current Branch, and Intune. He writes about ConfigMgr, Windows 11, Windows 10, Azure AD, Microsoft Intune, Windows 365, AVD, etc.