Source note · Unified CM security hardening
In mixed mode only, you must update the CTL file after regenerating the CallManager, CAPF or ITLRecovery certificate.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- certificates / CTL
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-09-25
Sources
- Security Guide for Cisco Unified Communications Manager, Release 15 and SUs - Certificates — Cisco Systems · tier 2 current vendor documentation · Certificates > Regenerate Certificates > CTL update note
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM security hardening: source note cucm-security-hardening-ctl-update-after-regen. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-security-hardening-ctl-update-after-regen
BibTeX
@misc{warmtransfer-claim-cucm-security-hardening-ctl-update-after-regen,
title = {Unified CM security hardening: source note cucm-security-hardening-ctl-update-after-regen},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-security-hardening-ctl-update-after-regen},
note = {Source note cucm-security-hardening-ctl-update-after-regen, checked 2026-09-25}
}