The TAC technote (rev 7.0, scoped to 15.0 and later) tells administrators to restart Cisco CallManager, CTIManager, Trust Verification Service and TFTP, publisher first, after regenerating the CallManager certificate, and then to reboot the phones.

disputed · Checked 2026-09-25

Vendor
Cisco
Product
Unified Communications Manager
Subsystem
callmanager-certificate
Deployment
on-premises
Region
not restricted
Release range
15.0 and later per technote
Status
disputed
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM certificate renewal: source note cucm-certificate-renewal-technote-cm-restarts. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-certificate-renewal-technote-cm-restarts

BibTeX

@misc{warmtransfer-claim-cucm-certificate-renewal-technote-cm-restarts,
  title  = {Unified CM certificate renewal: source note cucm-certificate-renewal-technote-cm-restarts},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-certificate-renewal-technote-cm-restarts},
  note   = {Source note cucm-certificate-renewal-technote-cm-restarts, checked 2026-09-25}
}

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