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In the previous article, we did run IdFix to identify errors such as duplicates and formatting problems in the on-premises directory. To sync on-premises identity infrastructure to Microsoft Azure AD, we will install and configure Azure AD Connect step by step.
Table of contents
What is Azure AD Connect?
Azure AD Connect is a tool for connecting on-premises identity infrastructure to Microsoft Azure AD. The wizard deploys and configures prerequisites and components required for the connection, including sync and sign on. Azure AD Connect encompasses functionality that was previously released as Dirsync and AAD Sync. These tools are no longer being released individually, and all future improvements will be included in updates to Azure AD Connect.
Download Azure AD Connect
Download Azure AD Connect for free. Download Microsoft Azure Active Directory Connect from the Microsoft Download Center. In this article, we will install Azure AD Connect version 188.8.131.52, which is the latest.
Azure AD connect release notes
Microsoft keeps a changelog for Azure AD Connect. It’s best practice to keep Azure AD Connect up to date with the latest version. Scroll through the changes and see what’s new and which bugs got fixed!
Azure AD Connect requirements
Make sure that you meet the Azure AD Connect installation prerequisites. The minimum requirements are:
- 1.6 GHz CPU
- 4 GB Memory
- 70 GB Hard drive size
- .NET Framework 4.5.1 or later
- Domain-joined Windows Server 2012 or later
- Windows Server full GUI
- Windows Server Core isn’t supported
Before installing Azure AD Connect
At the moment, there are no users configured in Azure AD/Office 365. There is only one active user account, which is the Microsoft 365 tenant administrator.
Install and configure Azure AD Connect
Installing Azure AD Connect on the domain controller is supported, but Microsoft doesn’t recommend that. It’s best to install Azure AD Connect on a separate domain-joined Windows Server. In this example, we will use the domain controller for demonstration purposes.
Do not install additional software or roles on Domain Controllers.
After downloading Azure AD Connect, run the setup. Agree to the license terms and click Continue.
Click on Customize for a custom install. It will give you all the options which you can decide for yourself.
Select Password Hash Synchronisation. Click Next.
Enter the Azure AD global administrator credentials. Click Next.
Click on Add Directory.
Select Create new AD account. Fill in the administrator credentials. Click OK.
The Active Directory is added. Click Next.
Select Continue without matching all UPN suffixes to verified domains. Click Next.
You can sync all domains and OUs. In our example, we will only sync the Company OU and sub-OUs.
Select Exchange hybrid deployment.
Select Start the synchronization process when configuration completes. Click Install.
After installing Azure AD Connect
In the Microsoft 365 admin center, you can see that a new user is displayed. That’s the Azure AD connector account created by Azure AD Connect setup, which will sync AD objects between on-premises AD and Azure AD.
Azure AD Connect setup creates a total of three accounts.
Azure AD Connect configuration completed. Click Exit.
Click the start menu on the Windows Server. Search and start the application Synchronisation Service. It already did start a synchronization: the first time a full import is made, a full synchronization, and an export.
Click on the domain name onmicrosoft.com with the profile name Export. Click on Adds in the Export Statistics.
These objects are exported with success from on-premises AD to Azure AD. You can double-click on each Distinguided Name to identify the user object.
Refresh the Microsoft 365 admin center and verify the users.
Everything looks great. We did successfully install and configure Azure AD Connect.
In the next article, we will run the Hybrid Configuration Wizard.
In this article, you learned how to install and configure Azure AD Connect. Before you start, make sure that you meet the prerequisites for installation. After the Azure AD Connect installation completes, synchronization will occur automatically every 30 minutes. In the Microsoft 365 admin center, you can verify the synced on-premises AD users.
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