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  1. What is a Domain Controller? | Definition from TechTarget

    Feb 27, 2025 · What is a domain controller? A domain controller is a server that processes authentication requests from users and computers within a computer domain. Domain controllers are …

  2. Domain controller - Wikipedia

    A domain controller (DC) is a server [1][2] that responds to security authentication requests within a computer network domain. It is a network server that is responsible for allowing host access to …

  3. What Is a Domain Controller? - IT Glossary | SolarWinds

    What Is a Domain Controller? A domain controller is a server computer that authenticates and validates user access on a network.

  4. What is a Domain Controller? A Complete Guide - lepide.com

    May 5, 2025 · For businesses of all sizes, protecting and managing network resources is crucial in today’s linked digital environment. A key component of this task is the idea of a domain controller, a …

  5. What is a Domain Controller? - JumpCloud

    Mar 15, 2023 · A domain controller (DC) is a server that manages network and identity security, effectively acting as the gatekeeper for user authentication and authorization to IT resources within …

  6. What Is The Role Of A Domain Controller? - Cyberly

    A domain controller is the cornerstone of identity management in modern networks. It authenticates users, enforces policies, manages resources, and ensures secure, efficient access to network services.

  7. Domain Controller Explained: Roles, Setup, and Active ... - Lenovo

    What is a domain controller? A domain controller is a server on a network responsible for managing user access, authentication, and security policies within a domain. It acts as a central hub, ensuring that …

  8. What is a Domain Controller? - Petri IT Knowledgebase

    Jan 26, 2022 · What does a domain controller do? A domain controller (DC) is a server on your network that manages access for users, computers, servers, etc. centrally.

  9. What Is a Domain Controller? - phoenixNAP Blog

    Oct 15, 2025 · A domain controller (DC) centralizes and authenticates all access requests to network resources within the same domain. A DC is crucial to network security as it stores all the data for …

  10. What is a domain controller? | Quest

    A domain controller (DC) is a special server that provides critical services like authentication and authorization for an Active Directory domain.