Differences between Azure AD Sync and Active Directory Sync tools

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Situation	Active Directory and the updated Azure Active directory are slightly different programs.
Solution	Here are the differences between the two scenarios.

Overview

User Account Handling

The Azure Active Directory Sync and Active Directory Sync tools are used to allow customers to sync user accounts from their Active Directory or Azure Active Directory environments. Due to some differences between these directories, there are differences in how Proofpoint Essentials handles user account synching.

The following table illustrates these differences.

	Scenarios	Proofpoint Essentials
	Scenarios	After Azure AD Sync	After AD Sync
1	A user mailbox is disabled in Active Directory or Azure Active Directory. A corresponding user account exists and is active in Proofpoint Essentials.	The user account is set to inactive in Proofpoint Essentials.	The user account is set to inactive in Proofpoint Essentials.
2	A user mailbox is disabled in Active Directory or Azure Active Directory. A corresponding user account does not exist in Proofpoint Essentials.	The user account is created in Proofpoint Essentials and set as inactive.	The user account is created in Proofpoint Essentials and set as inactive.
3	A user mailbox is disabled in Active Directory or Azure Active Directory. A corresponding functional account exists and is active in Proofpoint Essentials.	The functional account is converted to a user account. The user account is added as inactive.	The functional account is marked as inactive.
4	A user mailbox is enabled in Active Directory or Azure Active Directory. A corresponding functional account exists and is active in Proofpoint Essentials.	The functional account is converted to a user account. The user account is added as active.	The functional account is marked as active.
5	A shared mailbox exists in Active Directory or Azure Active Directory. A corresponding user account does not exist in Proofpoint Essentials.	The user account is created in Proofpoint Essentials and is set to active. *These accounts can be converted to functional accounts and marked for exemption for future syncs.	The functional account is created in Proofpoint Essentials and is set to active.
6	A shared mailbox exists in Active Directory or Azure Active Directory. A corresponding functional account exists in Proofpoint Essentials	The functional account is converted to a user account. The user account is added as active. These accounts can be converted to functional accounts and marked for exemption for future syncs. Converting User to Functional Accounts* Exempting an Account	No changes are made.

For more information please refer to: https://docs.microsoft.com/en-us/exc...ared-mailboxes

Last Reviewed: 2022-09-29