
What is a Domain Controller? | Definition from TechTarget
Feb 27, 2025 · A domain controller is a server that processes authentication requests from users and computers within a computer domain. Domain controllers are most commonly used in Windows …
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 …
What Is a Domain Controller, and Why Would I Need It? - Parallels
Dec 4, 2020 · A Windows Server domain logically groups users, PCs, and other objects in a network, while a domain controller authenticates access requests to the domain’s resources. It also stores …
What Is a Domain Controller? - IT Glossary | SolarWinds
A domain controller is the server responsible for managing network and identity security requests. It acts as a gatekeeper and authenticates whether the user is authorized to access the IT resources in the …
What is a Domain Controller? A Complete Guide - lepide.com
May 5, 2025 · What is a Domain Controller (DC)? The server in charge of handling requests for network and identity security is known as a domain controller (DC). It serves as a gatekeeper, verifying that …
What Is The Role Of A Domain Controller? - Cyberly
This article explains what a domain controller is, how it works, its key functions, and why it is critical in centralised network administration. What Is a Domain Controller? A domain controller (DC) is a …
What Is a Domain Controller? Definition and Roles
Oct 1, 2025 · Domain controller (DC) is a specialized server within a network domain responsible for security authentication, authorization, and enforcing policy for devices and user accounts. In …
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 …
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 …
What is a Domain Controller? - Petri IT Knowledgebase
Jan 26, 2022 · Domain controllers respond to security authentication requests from network endpoints, like servers and user workstations. Domain controllers are responsible for securely authenticating …