Enabling FIPS mode regenerates certificates and the SSH key automatically, so third-party CA-signed certificates must be uploaded again afterwards.

Checked 2026-09-25

Certificates and SSH key are regenerated automatically, in accordance with FIPS requirements.
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

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM security hardening: source note cucm-security-hardening-fips-cert-regen. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-security-hardening-fips-cert-regen

BibTeX

@misc{warmtransfer-claim-cucm-security-hardening-fips-cert-regen,
  title  = {Unified CM security hardening: source note cucm-security-hardening-fips-cert-regen},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-security-hardening-fips-cert-regen},
  note   = {Source note cucm-security-hardening-fips-cert-regen, checked 2026-09-25}
}

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