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Azure Active Directory Domain Services pricing

Join Azure virtual machines to a domain without domain controllers

Azure Active Directory Domain Services provides scalable, high-performance, managed domain services such as domain-join, LDAP, Kerberos, Windows Integrated authentication, and group policy. With the click of a button, administrators can enable managed domain services for virtual machines and directory-aware applications deployed in Azure Infrastructure Services. By maintaining compatibility with Windows Server Active Directory, Azure Active Directory Domain Services allows administrators to easily migrate legacy on-premises applications to the cloud and to centralise management of all applications and all identities in Azure Active Directory.

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Prices are estimates only and are not intended as actual price quotes. Actual pricing may vary depending on the type of agreement entered with Microsoft, date of purchase, and the currency exchange rate. Prices are calculated based on US dollars and converted using Thomson Reuters benchmark rates refreshed on the first day of each calendar month. Sign in to the Azure pricing calculator to see pricing based on your current program/offer with Microsoft. Contact an Azure sales specialist for more information on pricing or to request a price quote. See frequently asked questions about Azure pricing.

Azure Active Directory Domain Services usage is charged per hour, based on the SKU selected by the tenant owner. Azure AD DS is available in User Forest and Resource Forest. Note that a standard load balancer and IP will be deployed to run Azure AD Domain Services. Learn more about load balancer pricing.

Not available Standard Enterprise Premium
AAD DS Core Service
Suggested auth load (peak, per hour)1 0 to 3,000 3,000 to 10,000 10,000 to 70,000
Suggested object count2 0 to 25,000 25,000 to 100,000 100,000 to 500,000
Backup frequency Every 5 days Every 3 days Daily3
Resource Forest Trusts N/A 5 10
User Forest4 $- $- $-
Resource Forest4 N/A $- $-

1 Transactions are given as guidelines for selecting SKU and are not SLA. Directory performance may vary depending on the needs of your applications and amount of authentication requests.

2 Object count is given as a guideline for selecting SKU and not limited in the product.

3 Daily backups will be retained for seven days, with every third backup being retained for 30 days.

4 Each instance consists of two domain controllers for high availability, spread across two availability zones (if available in region).

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Azure Active Directory Domain Services details

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