Source note · Unified CM LDAP directory sync and authentication
Directory Service event 2887 on a domain controller reports that clients made unsigned simple binds or SASL binds without SSL/TLS, and Microsoft recommends moving such clients to LDAPS or signed LDAP.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Active Directory Domain Services
- Subsystem
- LDAP signing
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- LDAP signing for Active Directory Domain Services on Windows Server — Microsoft · tier 2 current vendor documentation · Event monitoring > LDAP signing events table
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM LDAP directory sync and authentication: source note cucm-ldap-integration-event-2887. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-ldap-integration-event-2887
BibTeX
@misc{warmtransfer-claim-cucm-ldap-integration-event-2887,
title = {Unified CM LDAP directory sync and authentication: source note cucm-ldap-integration-event-2887},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-ldap-integration-event-2887},
note = {Source note cucm-ldap-integration-event-2887, checked 2026-09-25}
}