Source note · Troubleshooting Teams phone sign-in and provisioning
Teams phone sign-in fails or loops continually when both an MFA Conditional Access policy and a Terms of Use Conditional Access policy are used; Microsoft states the combination is not supported.
Checked 2026-09-30
The combination of MFA CA and ToU CA isn't supported.
- 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
- Known issues with Teams on Android devices — Microsoft · tier 2 current vendor documentation · Issues affecting Teams phone devices > row Sign in loops or fails for Teams Phones
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting Teams phone sign-in and provisioning: source note teams-phone-sign-in-troubleshooting-mfa-tou-loop. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-phone-sign-in-troubleshooting-mfa-tou-loop
BibTeX
@misc{warmtransfer-claim-teams-phone-sign-in-troubleshooting-mfa-tou-loop,
title = {Troubleshooting Teams phone sign-in and provisioning: source note teams-phone-sign-in-troubleshooting-mfa-tou-loop},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-phone-sign-in-troubleshooting-mfa-tou-loop},
note = {Source note teams-phone-sign-in-troubleshooting-mfa-tou-loop, checked 2026-09-30}
}