Entra Connect Sync is one of two [[Entra Sync]] agent options. > [!Note] > Azure AD Connect V1 has been retired as of August 31, 2022 and is no longer supported. Azure AD Connect V1 installations may **stop working unexpectedly**. If you are still using Azure AD Connect V1, you need to upgrade to Microsoft Entra Connect V2 immediately.^[[Introduction to Microsoft Entra Connect V2 | Microsoft Learn](https://learn.microsoft.com/en-us/entra/identity/hybrid/connect/whatis-azure-ad-connect-v2)] ## Azure AD Connect V1 Upgrade^[https://aka.ms/aadconnectupgrade] ## Uninstall Microsoft Entra Connect Uninstall from Control Panel^[[Uninstall Microsoft Entra Connect | Microsoft Learn](https://learn.microsoft.com/en-us/entra/identity/hybrid/connect/how-to-connect-uninstall)] ## Enable/disable Scheduler If you need to make configuration changes, then you want to disable the scheduler. For example, when you [configure filtering](https://learn.microsoft.com/en-us/entra/identity/hybrid/connect/how-to-connect-sync-configure-filtering) or [make changes to synchronization rules](https://learn.microsoft.com/en-us/entra/identity/hybrid/connect/how-to-connect-sync-change-the-configuration).^[[Microsoft Entra Connect Sync: Scheduler | Microsoft Learn](https://learn.microsoft.com/en-us/entra/identity/hybrid/connect/how-to-connect-sync-feature-scheduler#disable-the-scheduler)] ```PowerShell Set-ADSyncScheduler -SyncCycleEnabled $false ``` ```PowerShell Set-ADSyncScheduler -SyncCycleEnabled $true ``` ## Start Manual Sync ```PowerShell Start-ADSyncSyncCycle -PolicyType Delta ``` ## Passthrough Authentication (AD Connect Authentication Agent) Pass-through Authentication signs users in by validating their passwords directly against on-premises [[Windows Active Directory (AD)|Active Directory]].^[[Microsoft Entra pass-through authentication - Quickstart | Microsoft Learn](https://learn.microsoft.com/en-us/entra/identity/hybrid/connect/how-to-connect-pta-quick-start)] ### Disable Passthrough Authentication [Disable pass-through authentication by using Microsoft Entra Connect or PowerShell | Microsoft Learn](https://learn.microsoft.com/en-us/entra/identity/hybrid/connect/how-to-connect-pta-disable-do-not-configure) If you do NOT have an Authentication Agent installed 1. Sign in to the [Microsoft Entra admin center](https://entra.microsoft.com/). 2. Download and install the latest Auth Agent. If you DO have an Authentication Agent installed 1. ```PowerShell cd "C:\Program Files\Microsoft Azure AD Connect Authentication Agent" ``` 2. ```PowerShell Import-Module .\Modules\PassthroughAuthPSModule ``` 3. ```PowerShell Get-PassthroughAuthenticationEnablementStatus ``` 4. ```PowerShell Disable-PassthroughAuthentication ``` # Turn off directory synchronization [Turn off directory synchronization for Microsoft 365 | Microsoft Learn](https://learn.microsoft.com/en-us/microsoft-365/enterprise/turn-off-directory-synchronization?view=o365-worldwide#turn-off-directory-synchronization) ```PowerShell # Install v1.0 and beta Microsoft Graph PowerShell modules Install-Module Microsoft.Graph -Force Install-Module Microsoft.Graph.Beta -AllowClobber -Force # Connect With Hybrid Identity Administrator Account Connect-MgGraph -scopes "Organization.ReadWrite.All,Directory.ReadWrite.All" # Verify the current status of the DirSync Type Get-MgOrganization | Select OnPremisesSyncEnabled # Store the Tenant ID in a variable named organizationId $organizationId = (Get-MgOrganization).Id # Store the False value for the DirSyncEnabled Attribute $params = @{ onPremisesSyncEnabled = $false } # Perform the update Update-MgOrganization -OrganizationId $organizationId -BodyParameter $params # Check that the command worked Get-MgOrganization | Select OnPremisesSyncEnabled ```