Microsoft Entra Conditional Access can target device code flow as an authentication flow condition, and Microsoft recommends blocking device code flow wherever possible and allowing it only where necessary.
Checked 2026-10-02
Microsoft recommends blocking device code flow wherever possible.
- Vendor
- Microsoft
- Product
- Microsoft Entra ID
- Subsystem
- conditional-access
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Authentication flows as a condition in Conditional Access policy — Microsoft · tier 2 current vendor documentation · Authentication flows as a condition in Conditional Access policy > Device code flow
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-device-code-block-advice. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-device-code-block-advice
BibTeX
@misc{warmtransfer-claim-teams-sip-gateway-troubleshooting-device-code-block-advice,
title = {Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-device-code-block-advice},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-device-code-block-advice},
note = {Source note teams-sip-gateway-troubleshooting-device-code-block-advice, checked 2026-10-02}
}