Source note · Unified CM certificate renewal
According to the admin guide summary, the Release 15 regenerate dialog offers a 3072-bit or 4096-bit key length for self-signed certificates.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- certificate-management
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15 and SUs
- Checked
- 2026-09-25
Sources
- Administration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Manage Certificates — Cisco Systems · tier 2 current vendor documentation · Manage Certificates chapter, Regenerate a Certificate procedure, key length step
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM certificate renewal: source note cucm-certificate-renewal-regen-key-length. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-certificate-renewal-regen-key-length
BibTeX
@misc{warmtransfer-claim-cucm-certificate-renewal-regen-key-length,
title = {Unified CM certificate renewal: source note cucm-certificate-renewal-regen-key-length},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-certificate-renewal-regen-key-length},
note = {Source note cucm-certificate-renewal-regen-key-length, checked 2026-09-25}
}