Once the failing Conditional Access policy is identified, Microsoft's resolution is to exclude the affected device with a device filter; device filters apply only to device objects, and the model and manufacturer attributes are available only for Intune-enrolled devices, otherwise extension attributes must be used.

Checked 2026-09-30

Vendor
Microsoft
Product
Teams phones
Subsystem
Conditional Access device filters
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-30
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Troubleshooting Teams phone sign-in and provisioning: source note teams-phone-sign-in-troubleshooting-device-filter-exclude. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-phone-sign-in-troubleshooting-device-filter-exclude

BibTeX

@misc{warmtransfer-claim-teams-phone-sign-in-troubleshooting-device-filter-exclude,
  title  = {Troubleshooting Teams phone sign-in and provisioning: source note teams-phone-sign-in-troubleshooting-device-filter-exclude},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-phone-sign-in-troubleshooting-device-filter-exclude},
  note   = {Source note teams-phone-sign-in-troubleshooting-device-filter-exclude, checked 2026-09-30}
}

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