Source note · Unified CM security hardening
In a cluster, enable FIPS on the publisher first and wait for phones to re-register before enabling it on other nodes. Do not run security mode commands on all nodes at once.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- FIPS mode
- 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 - FIPS Mode Setup — Cisco Systems · tier 2 current vendor documentation · FIPS Mode Setup > Enable FIPS 140-2 Mode > procedure notes
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM security hardening: source note cucm-security-hardening-fips-sequence. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-security-hardening-fips-sequence
BibTeX
@misc{warmtransfer-claim-cucm-security-hardening-fips-sequence,
title = {Unified CM security hardening: source note cucm-security-hardening-fips-sequence},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-security-hardening-fips-sequence},
note = {Source note cucm-security-hardening-fips-sequence, checked 2026-09-25}
}