Cisco's secure LDAP technote configures LDAP Authentication for Active Directory with the LDAPS server's FQDN, port 3269 and Use TLS checked, and recommends port 3269 for Jabber clients to avoid timeouts.
Checked 2026-09-30
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- LDAP transport security
- Deployment
- on-premises
- Region
- not restricted
- Release range
- CUCM 9.x and higher; Microsoft Active Directory
- Checked
- 2026-09-30
Sources
- Configure CUCM for Secure LDAP (LDAPS) — Cisco Systems · tier 2 current vendor documentation · section: Configure Secure LDAP Authentication
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up LDAP directory sync and authentication in Unified CM: source note cucm-ldap-sync-setup-ldaps-auth-port-3269. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-ldap-sync-setup-ldaps-auth-port-3269
BibTeX
@misc{warmtransfer-claim-cucm-ldap-sync-setup-ldaps-auth-port-3269,
title = {Setting up LDAP directory sync and authentication in Unified CM: source note cucm-ldap-sync-setup-ldaps-auth-port-3269},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-ldap-sync-setup-ldaps-auth-port-3269},
note = {Source note cucm-ldap-sync-setup-ldaps-auth-port-3269, checked 2026-09-30}
}