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We've compiled a list of 4 free and paid alternatives to Microsoft Active Directory. The primary competitors include Zentyal, Samba. In addition to these, users also draw comparisons between Microsoft Active Directory and OpenLDAP, RazDC. Also you can look at other similar options here: About.


Samba
Free Open Source
OpenLDAP
Free Open Source

OpenLDAP is an open-source software for managing and accessing directory information services. It provides a protocol to store, organize, and retrieve user and resource data efficiently, enabling secure authentication and centralized identity manage…

RazDC
Free Open Source

Active Directory (AD) is a directory service that Microsoft developed for Windows domain networks...

Microsoft Active Directory Platforms

Windows Windows

Microsoft Active Directory Overview

Active Directory (AD) is a directory service that Microsoft developed for Windows domain networks and included in most Windows Server operating systems as a set of processes and services.

An AD domain controller authenticates and authorizes all users and computers in a Windows domain type network—assigning and enforcing security policies for all computers and installing or updating software. For example, when a user logs into a computer that is part of a Windows domain, Active Directory checks the submitted password and determines whether the user is a system administrator or normal user.

Active Directory makes use of Lightweight Directory Access Protocol (LDAP) versions 2 and 3, Microsoft's version of Kerberos, and DNS.

Top Microsoft Active Directory Alternatives

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Microsoft Active Directory Tags

directory-access-protocol

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