Source note · CUCM to Teams Phone migration
TeamsOnly mode can be assigned to an entire tenant only after all on-premises users have been moved to Teams Only with Move-CsUser in the Skype for Business Server toolset and any Skype for Business DNS records have been repointed to Microsoft 365.
Checked 2026-09-21
- Vendor
- Microsoft
- Product
- Microsoft Teams
- Subsystem
- coexistence
- Deployment
- multi-tenant, hybrid
- Region
- not restricted
- Release range
- current as of 2026-09-21
- Checked
- 2026-09-21
Sources
- Set your coexistence and upgrade settings — Microsoft · tier 2 current vendor documentation · Set upgrade options for all users in your organization, Important callout under 'Teams only'
Cite this note
APA
WarmTransfer. (2026, September 21). CUCM to Teams Phone migration: source note cucm-to-teams-phone-coexistence-tenantwide-teamsonly. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-coexistence-tenantwide-teamsonly
BibTeX
@misc{warmtransfer-claim-cucm-to-teams-phone-coexistence-tenantwide-teamsonly,
title = {CUCM to Teams Phone migration: source note cucm-to-teams-phone-coexistence-tenantwide-teamsonly},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-coexistence-tenantwide-teamsonly},
note = {Source note cucm-to-teams-phone-coexistence-tenantwide-teamsonly, checked 2026-09-21}
}