For most companies, Active DirectoryActive Directory (AD) is a directory service that Microsoft developed for the Windows domain networks. It is included in most Windows Server operating systems as a set of processes and services. Initially, Active Directory was only in charge of centralized domain management. (AD) or LDAPLightweight Directory Access Protocol (LDAP) is a lightweight client-server protocol for accessing directory services, specifically X.500-based directory services. LDAP runs over TCP/IP or other connection oriented transfer services. play the central role in coordinating identity and access management policies. Directory integration typically serves as a "source of truth" for user identities, and it provides access control to on-premises resources such as networks, file servers, and web applications. A by-product of the transition to cloud applications is the proliferation of separate user stores; each cloud application typically is implemented independently and therefore has its own unique database of user credentials.
The Okta cloud-based identity and access management (IAM) service simplifies user management by providing a single integration point for all cloud and web-based application AD integrations.