Cisco's 2017 multi-forest tech note says CUCM cannot synchronize directly from multiple Active Directory forests and uses AD LDS (formerly ADAM) to aggregate users from each forest, with CUCM syncing from the AD LDS instance.

Checked 2026-09-25

Vendor
Cisco
Product
Cisco Unified Communications Manager
Subsystem
multi-forest directory integration
Deployment
on-premises
Region
not restricted
Release range
CUCM 9.1(2) and later as of the 2017 note
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM LDAP directory sync and authentication: source note cucm-ldap-integration-multi-forest-ad-lds. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-ldap-integration-multi-forest-ad-lds

BibTeX

@misc{warmtransfer-claim-cucm-ldap-integration-multi-forest-ad-lds,
  title  = {Unified CM LDAP directory sync and authentication: source note cucm-ldap-integration-multi-forest-ad-lds},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-ldap-integration-multi-forest-ad-lds},
  note   = {Source note cucm-ldap-integration-multi-forest-ad-lds, checked 2026-09-25}
}

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