How do I turn off passthrough authentication?

How can I disable Pass-through Authentication? Rerun the Azure AD Connect wizard and change the user sign-in method from Pass-through Authentication to another method. This change disables Pass-through Authentication on the tenant and uninstalls the Authentication Agent from the server.

How do you check if pass-through authentication is enabled?

Ensure that the Pass-through Authentication feature is still Enabled on your tenant and the status of Authentication Agents shows Active, and not Inactive. You can check status by going to the Azure AD Connect blade on the Azure Active Directory admin center.

What is passthrough authentication?

Pass-through authentication (PTA) is a feature of Azure AD Connect. It involves a simple service in the form of an agent running on one or several on-premises domain-joined servers, which validates a user’s sign-on on behalf of Azure AD directly with the on-premises Active Directory (AD).

How do I turn on passthrough authentication?

Sign in to the Azure Active Directory admin center with the global administrator credentials for your tenant. Select Azure Active Directory in the left pane. Select Azure AD Connect. Verify that the Pass-through authentication feature appears as Enabled.

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What is the difference between password hash sync and pass-through authentication?

Password hash synchronization—Synchronizes the hash of a user’s Azure AD and on-premise Active Directory passwords. … Pass-through authentication—Allows users to authenticate with the same password on both Azure AD and on-premise Active Directory.

What does pass through mean?

(pass through something) to go to a place for only a short period of time before continuing a journey.

What is pass through in Azure?

Azure Active Directory (Azure AD) Pass-through Authentication allows your users to sign in to both on-premises and cloud-based applications using the same passwords. … When users sign in using Azure AD, this feature validates users’ passwords directly against your on-premises Active Directory.

What is pass-through authentication office365?

Pass-through authentication is one of the Azure authentication methods that allows for users to use a single set of credentials to access both on-premises resources, and resources in the cloud such as Office 365, or other SaaS applications.

Which port should be opened for passthrough authentication in Azure AD Connect for enabling SSO?

Table 6a – Pass-through Authentication with SSO

Protocol Port Number Description
HTTPS 443 Enable outbound HTTPS traffic for operations such as enabling and disabling of the feature, registering connectors, downloading connector updates, and handling all user sign-in requests.

How do I use a Microsoft temporary access pass?

Enable the Temporary Access Pass policy

  1. Sign in to the Azure portal as a Global admin and click Azure Active Directory > Security > Authentication methods > Temporary Access Pass.
  2. Click Yes to enable the policy, select which users have the policy applied, and any General settings.
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How do I know if hash sync is enabled?

Run Azure AD Connect, and then select View current configuration. In the details pane, check whether Password synchronization is enabled on your tenant. Disable the Password synchronization feature.

Where do I put the pass-through authentication agent?

It is recommended to install the pass-through authentication agent on the same server as Azure AD Connect. In a production environment, it is recommended to install this agent in at least three servers: Log in to Azure portal ( as a global administrator.

Is password hash sync safe?

Well, actually the hash of a password hash is synced over HTTPS and the whole thing is extremely secure. Read more on how it works here. The important thing with PHS is that you can still use your local AD to manage users and passwords but you cut the dependency to local infrastructure when the authentication happens.

How do I enable password hash sync?

To enable PHS, go to your Azure AD Connect server and start the wizard. Select the Customize synchronization options and click next. Next, log-in using your admin credentials and go to the Optional Features section. Make sure that Password hash synchronization is enabled and finish the wizard.

What happens when password sync is enabled?

When password hash synchronization is enabled, the password complexity policies in your on-premises Active Directory instance override complexity policies in the cloud for synchronized users. You can use all of the valid passwords from your on-premises Active Directory instance to access Azure AD services.