OneSpan Authentication Server requires an LDAP server to perform LDAP synchronization. LDAP servers can also be used for back-end authentication.
The following LDAP servers are supported:
- Microsoft Active Directory Domain Services on Windows Server 2025
- Microsoft Active Directory Domain Services on Windows Server 2022
- Microsoft Active Directory Domain Services on Windows Server 2019
- Microsoft Active Directory Domain Services on Windows Server 2016
- IBM Security Directory Server 6.3
- OpenLDAP 2