Requirements for Azure AD Connect

Review the complete Azure Active Directory Connect (AAD Connect) server requirements here.

UPDATE: As of 28 December 2016, AAD Connect version 1.1.380.0 was released (78.1 MB).

Server Requirements (Highlights)

• Windows Server 2008 Standard or newer
  • The machine must be 64-bit OS and can be installed on a stand-alone, member server or domain controller (DC), however, it is not recommended to be installed on a DC. Windows 2012 R2 domain-joined server is recommended;
  • AAD Connect CANNOT be installed on Small Business Server or Windows Server Essentials;
  • Password synchronization requires Windows Server 2008 R2 SP1 or newer.
• CPU: 1.6 GHz
• Memory: Recommended minimum of 4GB for up to 50,000 objects; 16GB for 50k-100k objects; 32GB for over 100k objects.
• Disk space: Recommended minimum of 70GB for up to 50,000 objects; 100GB for 50k-100k objects; 300GB+ for over 100k objects.
• SQL Express (installed by default with AAD Connect) for up to 100,000 objects;
  • SQL Server is required for over 100k objects.

Software Prerequisites (Highlights)

• .NET Framework 4.5
  • NOTE: If using Windows 2008 SP2 or Windows 2008 R2 SP1, you will need to install .NET Framework 4.5
• PowerShell 3.0 or newer (check what version of PowerShell is installed)
  • NOTE: If you need to install PowerShell 3.0, it is included in Windows Management Framework (WMF) 3.0

Other Requirements (Highlights)

• Local administrator privileges to install AAD Connect
• Office 365 user with the Global Administrator role assigned
• Active Directory user with Enterprise Admins rights that will be used to read AD for the sync service

 

Related Article(s):

• Upgrading Previous Version of Azure AD Connect
• Requirements for AADSync
• Configure Filtering with AADSync

 

Reference(s):

• Integrating your on-premises identities with Azure Active Directory
• Prerequisites for Azure AD Connect
• Microsoft Azure Active Directory Connect (Download)
• Azure AD Connect: Version Release History 
• Install Azure AD Connect
• Azure AD Connect sync: Scheduler
• Azure AD Connect: Automatic upgrade
• Windows Management Framework (WMF) 3.0
• Microsoft .NET Framework 4.5