Users to be synchronized must have email ID fields in Active Directory that are either unique or left blank.
Checked 2026-10-02
For users whose data you want to synchronize to your system, ensure that their email ID fields on the Active Directory server are unique entries or left blank.
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- LDAP synchronization prerequisites
- 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 · LDAP Synchronization Prerequisites, note
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting LDAP directory sync failures in Unified CM: source note cucm-ldap-sync-troubleshooting-unique-email. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-ldap-sync-troubleshooting-unique-email
BibTeX
@misc{warmtransfer-claim-cucm-ldap-sync-troubleshooting-unique-email,
title = {Troubleshooting LDAP directory sync failures in Unified CM: source note cucm-ldap-sync-troubleshooting-unique-email},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-ldap-sync-troubleshooting-unique-email},
note = {Source note cucm-ldap-sync-troubleshooting-unique-email, checked 2026-10-02}
}