Source note · Troubleshooting Teams phone sign-in and provisioning
Microsoft states that if shared Teams phones are grouped with user accounts or personal devices under a Conditional Access policy the sign-in will fail, because a shared device generally has no single user who can complete multifactor authentication or periodic reauthentication.
Checked 2026-09-30
- Vendor
- Microsoft
- Product
- Teams phones
- Subsystem
- Conditional Access
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Authentication best practices for Teams phones — Microsoft · tier 2 current vendor documentation · Authentication recommendations are different for personal versus shared android devices > item 2
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting Teams phone sign-in and provisioning: source note teams-phone-sign-in-troubleshooting-shared-ca-fails. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-phone-sign-in-troubleshooting-shared-ca-fails
BibTeX
@misc{warmtransfer-claim-teams-phone-sign-in-troubleshooting-shared-ca-fails,
title = {Troubleshooting Teams phone sign-in and provisioning: source note teams-phone-sign-in-troubleshooting-shared-ca-fails},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-phone-sign-in-troubleshooting-shared-ca-fails},
note = {Source note teams-phone-sign-in-troubleshooting-shared-ca-fails, checked 2026-09-30}
}