On Unified CM 15SU2, LDAP authentication passwords had to be ASCII-only and at most 32 characters; the system configuration guide says this restriction was lifted in 15SU3 and later.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- LDAP authentication
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15SU2 (restriction); 15SU3 and later (lifted)
- 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 Authentication, note
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting LDAP directory sync failures in Unified CM: source note cucm-ldap-sync-troubleshooting-auth-pw-limit-15su2. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-ldap-sync-troubleshooting-auth-pw-limit-15su2
BibTeX
@misc{warmtransfer-claim-cucm-ldap-sync-troubleshooting-auth-pw-limit-15su2,
title = {Troubleshooting LDAP directory sync failures in Unified CM: source note cucm-ldap-sync-troubleshooting-auth-pw-limit-15su2},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-ldap-sync-troubleshooting-auth-pw-limit-15su2},
note = {Source note cucm-ldap-sync-troubleshooting-auth-pw-limit-15su2, checked 2026-10-02}
}