A fresh 15SU2+ Unified CM install in direct mode probably cannot register while smartreceiver.cisco.com is unresolvable or unreachable, because fresh installs support only Smart Transport and have no Call Home fallback.

inferred · Checked 2026-10-01

Vendor
Cisco
Product
Cisco Unified Communications Manager
Subsystem
smart-licensing-transport
Deployment
on-premises
Region
not restricted
Release range
15SU2 and later, fresh install
Status
inferred
Checked
2026-10-01

Sources

Cite this note

APA

WarmTransfer. (2026, October 1). Troubleshooting Unified CM Smart Licensing: source note cucm-smart-licensing-troubleshooting-inf-fresh-install-dns. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-smart-licensing-troubleshooting-inf-fresh-install-dns

BibTeX

@misc{warmtransfer-claim-cucm-smart-licensing-troubleshooting-inf-fresh-install-dns,
  title  = {Troubleshooting Unified CM Smart Licensing: source note cucm-smart-licensing-troubleshooting-inf-fresh-install-dns},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-smart-licensing-troubleshooting-inf-fresh-install-dns},
  note   = {Source note cucm-smart-licensing-troubleshooting-inf-fresh-install-dns, checked 2026-10-01}
}

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