The recommended fix for that failure is to replace IP addresses with the LDAP server FQDN in the LDAP configuration; utils ldap config ipaddr is the alternative, and utils ldap config status shows the current mode.

Checked 2026-09-25

Vendor
Cisco
Product
Cisco Unified Communications Manager
Subsystem
LDAPS troubleshooting
Deployment
on-premises
Region
not restricted
Release range
10.5(2)SU2 and 9.1(2)SU3 and later
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM LDAP directory sync and authentication: source note cucm-ldap-integration-ip-address-fix. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-ldap-integration-ip-address-fix

BibTeX

@misc{warmtransfer-claim-cucm-ldap-integration-ip-address-fix,
  title  = {Unified CM LDAP directory sync and authentication: source note cucm-ldap-integration-ip-address-fix},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-ldap-integration-ip-address-fix},
  note   = {Source note cucm-ldap-integration-ip-address-fix, checked 2026-09-25}
}

Read in context