LDAPS on an Active Directory server is verified with Ldp.exe by connecting to the server's FQDN on port 636, and again on port 3269; a successful connection shows RootDSE information.
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: Verify and Install LDAPS Certificates, Step 1
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-ldp-check. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-ldap-sync-setup-ldaps-ldp-check
BibTeX
@misc{warmtransfer-claim-cucm-ldap-sync-setup-ldaps-ldp-check,
title = {Setting up LDAP directory sync and authentication in Unified CM: source note cucm-ldap-sync-setup-ldaps-ldp-check},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-ldap-sync-setup-ldaps-ldp-check},
note = {Source note cucm-ldap-sync-setup-ldaps-ldp-check, checked 2026-09-30}
}