Prerequisites for integrating with Active Directory

The following document provides the prerequisites for integrating with Active Directory.

Cloud sync

Requirement	Description and more requirements
Windows server 2016 or greater that is or has:	• 4 GB RAM or more • .NET 4.7.1 runtime or greater • domain-joined • PowerShell execution policy set to Undefined or RemoteSigned • TLS 1.2 enabled
Active Directory	• On-premises AD that has a forest functional level 2003 or higher
Microsoft Entra tenant	• A tenant in Azure that will be used to synchronize from on-premises

For more information on the cloud sync prerequisites, see Cloud sync prerequisites.

Requirement	Description and more requirements
Domain/Enterprise administrator	Required to install the agent on the server and create the gMSA service account.
Hybrid Identity administrator	Required to configure cloud sync. This account cannot be a guest account.
gMSA service account	Required to run the agent.

For more information on the cloud sync accounts, and how to set up a custom gMSA account, see Cloud sync prerequisites.

Requirement	Description and more requirements
Windows server 2016 or greater that is or has:	• 4 GB RAM or more • .NET 4.6.2 runtime or greater • domain-joined • PowerShell execution policy set to RemoteSigned • TLS 1.2 enabled • if federation is being used, the AD FS severs must be Windows Server 2012 R2 or higher and TLS/SSL certificates must be configured.
Active Directory	• On-premises AD that has a forest functional level 2003 or higher • a writeable domain controller
Microsoft Entra tenant	• A tenant in Azure used to synchronize from on-premises
SQL Server	Microsoft Entra Connect requires a SQL Server database to store identity data. By default, a SQL Server 2019 Express LocalDB (a light version of SQL Server Express) is installed. For more information on using a SQL server, see Microsoft Entra Connect SQL server requirements

For more information on the cloud sync prerequisites, see Microsoft Entra Connect prerequisites.

Requirement	Description and more requirements
Enterprise administrator	Required to install Microsoft Entra Connect.
Hybrid Identity administrator	Required to configure cloud sync. This account cannot be a guest account. This account must be a school or organization account and can't be a Microsoft account.
Custom settings	If you use the custom settings installation path, you have more options. You can specify the following information: • AD DS Connector account • ADSync Service account • Microsoft Entra Connector account. For more information, see Custom installation settings.

For more information on the Microsoft Entra Connect accounts, see Microsoft Entra Connect: Accounts and permissions.