If FIPS or Enhanced Security Mode is enabled, set the SSO signing algorithm to SHA256 with 'utils sso set signing-algorithm sha256' on the admin CLI of all Unified CM nodes.

Checked 2026-09-25

Vendor
Cisco
Product
Cisco Unified Communications Manager
Subsystem
saml-sso
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). Setting up SAML SSO for Unified CM: source note cucm-saml-sso-setup-fips-esm-sha256. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-saml-sso-setup-fips-esm-sha256

BibTeX

@misc{warmtransfer-claim-cucm-saml-sso-setup-fips-esm-sha256,
  title  = {Setting up SAML SSO for Unified CM: source note cucm-saml-sso-setup-fips-esm-sha256},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-saml-sso-setup-fips-esm-sha256},
  note   = {Source note cucm-saml-sso-setup-fips-esm-sha256, checked 2026-09-25}
}

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