Source note · Unified CM certificate renewal
The TAC technote warns against regenerating the CallManager and TVS certificates at the same time in versions 8.x through 11.5.
Checked 2026-09-25
Do not regenerate CallManager.PEM and TVS.PEM certificates at the same time in versions 8.x-11.5
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- itl
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 8.x-11.5 as stated
- Checked
- 2026-09-25
Sources
- Regenerate Certificates In Unified Communications Manager — Cisco Systems · tier 2 current vendor documentation · CallManager and TVS certificate sections, warning notes
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM certificate renewal: source note cucm-certificate-renewal-cm-tvs-8x-115. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-certificate-renewal-cm-tvs-8x-115
BibTeX
@misc{warmtransfer-claim-cucm-certificate-renewal-cm-tvs-8x-115,
title = {Unified CM certificate renewal: source note cucm-certificate-renewal-cm-tvs-8x-115},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-certificate-renewal-cm-tvs-8x-115},
note = {Source note cucm-certificate-renewal-cm-tvs-8x-115, checked 2026-09-25}
}