Source note · Unified CM certificate renewal
The 10.0(1) technote says phones have TVS as a secondary way to authenticate files, whichever certificate is regenerated first. This is why changing one ITL-relevant certificate at a time is recoverable.
Checked 2026-09-25
Regardless of which certificate is generated first, the phone has its secondary method to authenticate files
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- tvs
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 10.0(1) and later
- Checked
- 2026-09-25
Sources
- Unified Communications Manager ITL Enhancements in Version 10.0(1) — Cisco Systems · tier 2 current vendor documentation · Trust validation / TVS discussion
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM certificate renewal: source note cucm-certificate-renewal-tvs-secondary-auth. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-certificate-renewal-tvs-secondary-auth
BibTeX
@misc{warmtransfer-claim-cucm-certificate-renewal-tvs-secondary-auth,
title = {Unified CM certificate renewal: source note cucm-certificate-renewal-tvs-secondary-auth},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-certificate-renewal-tvs-secondary-auth},
note = {Source note cucm-certificate-renewal-tvs-secondary-auth, checked 2026-09-25}
}