Unified Communications Manager supports LDAPS (LDAP over SSL) for directory synchronization but does not support LDAP with StartTLS.
Checked 2026-10-02
Unified Communications Manager supports LDAPS (LDAP with SSL) but does not support LDAP with StartTLS.
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- LDAP synchronization
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 12.5(1) and 15 and SUs as of 2026-10-02
- Checked
- 2026-10-02
Sources
- System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Configure LDAP Synchronization — Cisco Systems · tier 2 current vendor documentation · Configure LDAP Synchronization > LDAP Synchronization Overview
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting LDAP directory sync failures in Unified CM: source note cucm-ldap-sync-troubleshooting-ldaps-no-starttls. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-ldap-sync-troubleshooting-ldaps-no-starttls
BibTeX
@misc{warmtransfer-claim-cucm-ldap-sync-troubleshooting-ldaps-no-starttls,
title = {Troubleshooting LDAP directory sync failures in Unified CM: source note cucm-ldap-sync-troubleshooting-ldaps-no-starttls},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-ldap-sync-troubleshooting-ldaps-no-starttls},
note = {Source note cucm-ldap-sync-troubleshooting-ldaps-no-starttls, checked 2026-10-02}
}