Azure AD Connect is a powerful tool that synchronizes on-premises Active Directory with Azure AD, enabling seamless integration and management of identities in the cloud. One of its key features is the staging mode, which allows administrators to preview and test changes before they are applied to the production environment. In this step-by-step guide, we'll walk you through the process of using Azure AD Connect in staging mode.

Before we dive in, ensure you have the latest version of Azure AD Connect installed on your on-premises server. This guide assumes you're familiar with the basics of Azure AD Connect and have the necessary permissions to perform these tasks.

Understanding Staging Mode
Staging mode in Azure AD Connect allows you to preview the changes that will be made to your Azure AD objects before they are actually applied. This is particularly useful when making significant changes, such as password hash synchronization or pass-through authentication, as it helps you identify and resolve any potential issues before they affect your users.

In this mode, changes are not applied to the production environment but are instead stored in a staging area. You can review these changes, make adjustments if necessary, and then either apply them or discard them. Let's explore how to use this feature.
Enabling Staging Mode

To enable staging mode, you'll need to modify the Azure AD Connect configuration. Here's how:
- Open the Azure AD Connect application on your on-premises server.
- Click on 'Customize synchronization options' to open the Synchronization Service Manager.
- In the Synchronization Service Manager, select 'Connect to Azure AD' from the left-hand menu.
- Click on the 'Properties' button at the bottom of the window.
- Under the 'Staging' tab, check the box next to 'Enable staging mode'.
- Click 'OK' to save your changes and close the window.
Previewing Changes in Staging Mode

Once staging mode is enabled, Azure AD Connect will start storing changes in the staging area. To preview these changes:
- In the Synchronization Service Manager, select 'Staging' from the left-hand menu.
- Click on 'Search Connector Space' to display the objects that have changes pending.
- You can filter the results by object type (e.g., User, Group, etc.) and direction (In from Azure AD, Out to Azure AD) to make it easier to find specific changes.
Applying or Discarding Changes

After previewing the changes in staging mode, you can decide whether to apply them to your production environment or discard them.
Applying Changes




















To apply changes:
- In the Synchronization Service Manager, select 'Staging' from the left-hand menu.
- Select the objects you want to apply changes to.
- Click on 'Apply' to apply the changes to your production environment.
Discarding Changes
To discard changes:
- In the Synchronization Service Manager, select 'Staging' from the left-hand menu.
- Select the objects you want to discard changes for.
- Click on 'Discard' to remove the changes from the staging area.
Remember, changes in staging mode are not applied to your production environment until you explicitly choose to apply them. This gives you the flexibility to review and adjust changes as needed before they take effect.
Using Azure AD Connect in staging mode can significantly improve your identity management process by allowing you to test and preview changes before they are applied. It's a powerful feature that can help you maintain a smooth and secure identity synchronization process between your on-premises environment and Azure AD.