---
title: "What are the operational roles for DC (Domain controller) and ADC ( Additional Domain Controller)?"  
description: "What are the operational roles for DC (Domain controller) and ADC ( Additional Domain Controller)?"  
author: "Deepak Aiyappa"  
published: 2018-10-08  
canonical: https://answers.mindstick.com/qa/50276/what-are-the-operational-roles-for-dc-domain-controller-and-adc-additional-domain-controller  
category: "troubleshooting"  
tags: ["troubleshooting"]  
reading_time: 1 minute  

---

#  What are the operational roles for DC (Domain controller) and ADC ( Additional Domain Controller)? 

What are the [operational](https://answers.mindstick.com/qa/94144/how-many-days-was-chandrayaan-1-operational) [roles](https://www.mindstick.com/articles/1366/membership-roles-user-profile-in-asp-dot-net) for DC (Domain [controller](https://www.mindstick.com/blog/273/passing-values-from-controller-to-view-in-asp-dot-net-mvc)) and ADC ( Additional [Domain Controller](https://answers.mindstick.com/qa/50275/what-is-the-difference-between-dc-domain-controller-and-adc-additional-domain-controller))? \
\
\

## Answers

### Answer by Hitesh Vohra

- Within a computer network [**domain**](https://answers.mindstick.com/qa/50258/what-is-a-domain), a domain controller (DC) is a server computer that responds to security authentication requests. It authenticates users, saves account information, and enforces a domain's security policy.
- An extra domain controller (ADC) is a domain controller that exists in a given environment (DC, CDC, and GCDC). It functions similarly to a backup Domain Controller in that if the primary Domain Controller fails, the Additional Domain Controller (ADC) will assist in maintaining network stability.
- **DC (Domain controller) has the following operational roles:**
- Master Schema for Domain Naming Infrastructure Master RID Master PDC Emulator Master RID Master RID Master RID Master RID Master RID Master RID Master
- **The ADC (Additional Domain Controller) has the following operational roles:**
- RID Master Infrastructure Master PDC Emulator

\

**Read More: [Does the LG UltraFine 5K Display work with the Mac Pro Tower?](https://answers.mindstick.com/qa/49974/does-the-lg-ultrafine-5k-display-work-with-the-mac-pro-tower)**


---

Original Source: https://answers.mindstick.com/qa/50276/what-are-the-operational-roles-for-dc-domain-controller-and-adc-additional-domain-controller

Copyright © MindStick Software Pvt. Ltd. This Markdown version is provided for developers, AI systems, and offline reading.