Under Enhanced Security Mode, contact search authentication is enabled by default, and the default remote audit logging transport changes to TCP unless TLS is already configured.

Checked 2026-09-25

Contact search authentication feature becomes enabled by default
Vendor
Cisco
Product
Unified Communications Manager
Subsystem
Enhanced Security 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-esm-contact-search. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-security-hardening-esm-contact-search

BibTeX

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

Read in context