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Jun 05, 2019 Force users to re-register against existing non-password credential (e.g. MFA, FIDO) Revoke ‘remember MFA on the device’, prompting for MFA on the next login. In this blog post,we will see, how to assign permissions for managing MFA in Azure Active Directory and how service desk can reset MFA for users? How to assign permissions?
Administering O365 is quite easy using the O365 Portal. However, power users may prefer the flexibility of script based management via PowerShell. The “Windows Azure Active Directory Module for Windows PowerShell” (WAADMfWP) provides such capability. With just a few lines of code, the power user can provision millions of accounts and modify O365 resources with no user interaction.As one famous comic book character once said: “with great power comes great responsibility”. It is important to secure such power and adding Multi-Factor Authentication (MFA) is a good way to add an additional layer of protection.Enabling MFA for Azure Active Directory ( and O365 by extension) is quite easy for web based access.
This is because Azure MFA uses HTTP redirection to control the authentication flow and the Web browser understands HTTP redirection nativily.MFA support for the current version of WAADMfWP is not possible because the current WAADMfWP uses the “Microsoft Online Services Sign-In Assistant” to handle credential authentication.This sign-In assistant only works with non-MFA enabled identities because it is not designed to understand the HTTP redirection associated with a MFA enabled authentication flow.The good news is that there is a new version of WAADMfWP in public preview. This new WAADMfWP uses ADAL based authentication UI which is able to follow HTTP redirection. Because of this, the new module will work with MFA enabled identities.Before installing the new WAADMfWP, you must do the following:1) Uninstall the old WAADMfWP if you have one installed. The old one is 4.88 mb in size2) Uninstall the Microsoft Online Services Sign-In AssistantDownload the preview version from here:Once you have it installed, you must be aware of the following before starting:With the old WAADMfWP, you can use Connect-MsolService with or without the –Credential parameter. If you do not supply the Credential parameter, you’ll be prompted with a UI toenter the credential.The new WAADMfWP works slightly different in that if you want it to support MFA, you’ll need to call Connect-MsolService without the -Credential parameter.The new WAADMfWP module uses ADAL to prompt the user credential with a browser based UI.If the user account is in a domain that is federated, the user is redirected to the federated STSIn this example, the STS is an ADFS server.
The user enters the passwordADFS validates the password and determines whether the user needs step-up authentication. In this case, we've configured Azure MFA server as an MFA provider and this user satisfies an ADFS rule to require MFA. The user clicks Continue to initiates the configured MFA optionIn this example, this users is configured to have the MFA server send a One Time Passcode (OTP). The user must enter the OTP to authenticate.If the user fails to provide the correct OTP, the user will receive the appropriate error message from ADFS (customizable) and the Connect-MsolService command will failIf the user enters the correct OTP, the control is returned back to the WAADMfWP and a valid session now exists.The Credential parameter is still supported but works only for non MFA enabled identities.A new AccessToken parameter is added to the Connect-MsolService cmdlet. I'll cover this in a future post if there is enough interests.The new WAADMfWP also adds other new cmdlets:.
Get-MsolDevice. Enable-MsolDevice. Disable-MsolDevice. Remove-MsolDeviceNote that this new WAADMfWP will not work with tenants in China.EnjoyThis post has been moved here:bingtranslator. Hi,Great that this is being supported.Newbie question if I may: how do I get to connect to O365 Exchange after using the new MFA Connect-MsolService command mentioned above? Usually, the sequence might look something like this:$UserCredential = Get-Credential$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri -Credential $UserCredential -Authentication Basic -AllowRedirectionImport-PSSession $Sessionbut I cannot find a way of tweaking this that works with the new Connect-MsolService. Changing Get-Credential for Connect-MsolService doesn't work.
I have tried various edits on the $session = line too, but to no avail.Can someone point me in the right direction on how to complete creating a new O365 Exchange session with MFA enabled?Many thanks, Simon.
Configure Azure Multi-Factor Authentication settings. 21 minutes to read.In this articleThis article helps you to manage Multi-Factor Authentication settings in the Azure portal. It covers various topics that help you to get the most out of Azure Multi-Factor Authentication. Not all of the features are available in every version of Azure Multi-Factor Authentication.You can access settings related to Azure Multi-Factor Authentication from the Azure portal by browsing to Azure Active Directory MFA.SettingsSome of these settings apply to MFA Server, Azure MFA, or both. FeatureDescriptionAccount lockoutTemporarily lock accounts in the multi-factor authentication service if there are too many denied authentication attempts in a row. This feature only applies to users who enter a PIN to authenticate. (MFA Server)Used to block specific users from being able to receive Multi-Factor Authentication requests.
Any authentication attempts for blocked users are automatically denied. Users remain blocked for 90 days from the time that they are blocked.Configure settings related to users ability to report fraudulent verification requestsEnable notifications of events from MFA Server.Used in cloud-based Azure MFA environments to manage OATH tokens for users.Configure settings related to phone calls and greetings for cloud and on-premises environments.ProvidersThis will show any existing authentication providers that you may have associated with your account. New authentication providers may not be created as of September 1, 2018Manage MFA ServerSettings in this section are for MFA Server only. FeatureDescriptionServer settingsDownload MFA Server and generate activation credentials to initialize your environmentAllow a user to authenticate without performing two-step verification for a limited time.Caching is primarily used when on-premises systems, such as VPN, send multiple verification requests while the first request is still in progress.
This feature allows the subsequent requests to succeed automatically, after the user succeeds the first verification in progress.Server statusSee the status of your on-premises MFA servers including version, status, IP, and last communication time and date.Activity reportThe reporting available here is specific to MFA Server (on-premises). For Azure MFA (cloud) reports see the sign-ins report in Azure AD. Block and unblock usersUse the block and unblock users feature to prevent users from receiving authentication requests. Any authentication attempts for blocked users are automatically denied. Users remain blocked for 90 days from the time that they are blocked. Block a user. Sign in to the as an administrator.
Browse to Azure Active Directory MFA Block/unblock users. Select Add to block a user. Select the Replication Group. Enter the username for the blocked user as [email protected]. Enter a comment in the Reason field.
Select Add to finish blocking the user.Unblock a user. Sign in to the as an administrator. Browse to Azure Active Directory MFA Block/unblock users. Select Unblock in the Action column next to the user to unblock. Enter a comment in the Reason for unblocking field. Select Unblock to finish unblocking the user.Fraud alertConfigure the fraud alert feature so that your users can report fraudulent attempts to access their resources. Users can report fraud attempts by using the mobile app or through their phone.
Turn on fraud alerts. Sign in to the as an administrator. Browse to Azure Active Directory MFA Fraud alert. Set the Allow users to submit fraud alerts setting to On.
Select Save.Configuration options.Block user when fraud is reported: If a user reports fraud, their account is blocked for 90 days or until an administrator unblocks their account. An administrator can review sign-ins by using the sign-in report, and take appropriate action to prevent future fraud. An administrator can then the user's account.Code to report fraud during initial greeting: When users receive a phone call to perform two-step verification, they normally press # to confirm their sign-in. To report fraud, the user enters a code before pressing #. This code is 0 by default, but you can customize it.
NoteThe default voice greetings from Microsoft instruct users to press 0# to submit a fraud alert. If you want to use a code other than 0, record and upload your own custom voice greetings with appropriate instructions for your users.View fraud reports. Sign in to the.
Select Azure Active Directory Sign-ins. The fraud report is now part of the standard Azure AD Sign-ins report.NotificationsConfigure email addresses here for users who will receive fraud alert emails.Phone call settings Caller IDMFA caller ID number - This is the number your users will see on their phone.
Only US-based numbers are allowed. NoteWhen Multi-Factor Authentication calls are placed through the public telephone network, sometimes they are routed through a carrier that doesn't support caller ID. Because of this, caller ID is not guaranteed, even though the Multi-Factor Authentication system always sends it. Custom voice messagesYou can use your own recordings or greetings for two-step verification with the custom voice messages feature.
These messages can be used in addition to or to replace the Microsoft recordings.Before you begin, be aware of the following restrictions:. The supported file formats are.wav and.mp3. The file size limit is 5 MB.
Authentication messages should be shorter than 20 seconds. Messages that are longer than 20 seconds can cause the verification to fail.
NoteThe caching feature is not intended to be used for sign-ins to Azure Active Directory (Azure AD). Set up caching. Sign in to the as an administrator. Browse to Azure Active Directory MFA Caching rules. Select Add. Select the cache type from the drop-down list.
Enter the maximum number of cache seconds. If necessary, select an authentication type and specify an application. Select Add.MFA service settingsSettings for app passwords, trusted IPs, verification options, and remember multi-factor authentication for Azure Multi-Factor Authentication can be found in service settings.
Service settings can be accessed from the Azure portal by browsing to Azure Active Directory MFA Getting started Configure Additional cloud-based MFA settings.App passwordsSome applications, like Office 2010 or earlier and Apple Mail before iOS 11, don't support two-step verification. The apps aren't configured to accept a second verification. To use these applications, take advantage of the app passwords feature. You can use an app password in place of your traditional password to allow an app to bypass two-step verification and continue working.Modern authentication is supported for the Microsoft Office 2013 clients and later. Office 2013 clients including Outlook, support modern authentication protocols and can be enabled to work with two-step verification.
After the client is enabled, app passwords aren't required for the client. NoteApp passwords do not work with Conditional Access based multi-factor authentication policies and modern authentication.
Considerations about app passwordsWhen using app passwords, consider the following important points:. App passwords are only entered once per application.
Users don't have to keep track of the passwords or enter them every time. The actual password is automatically generated and is not supplied by the user. The automatically generated password is harder for an attacker to guess and is more secure. There is a limit of 40 passwords per user.
Applications that cache passwords and use them in on-premises scenarios can start to fail because the app password isn't known outside the work or school account. An example of this scenario is Exchange emails that are on-premises, but the archived mail is in the cloud. In this scenario, the same password doesn't work. After Multi-Factor Authentication is enabled on a user's account, app passwords can be used with most non-browser clients like Outlook and Microsoft Skype for Business. Administrative actions can't be performed by using app passwords through non-browser applications, such as Windows PowerShell. The actions can't be performed even when the user has an administrative account. To run PowerShell scripts, create a service account with a strong password and don't enable the account for two-step verification.
WarningApp passwords don't work in hybrid environments where clients communicate with both on-premises and cloud auto-discover endpoints. Domain passwords are required to authenticate on-premises. App passwords are required to authenticate with the cloud. Guidance for app password namesApp password names should reflect the device on which they're used. If you have a laptop that has non-browser applications like Outlook, Word, and Excel, create one app password named Laptop for these apps. Create another app password named Desktop for the same applications that run on your desktop computer.
NoteThe following points apply only to federated (SSO) customers.App passwords are verified by Azure AD, and therefore, bypass federation. Federation is actively used only when setting up app passwords.The Identity Provider (IdP) is not contacted for federated (SSO) users, unlike the passive flow. The app passwords are stored in the work or school account. If a user leaves the company, the user's information flows to the work or school account by using DirSync in real time. The disable/deletion of the account can take up to three hours to synchronize, which can delay the disable/deletion of the app password in Azure AD.On-premises client Access Control settings aren't honored by the app passwords feature.No on-premises authentication logging/auditing capability is available for use with the app passwords feature.Some advanced architectures require a combination of credentials for two-step verification with clients. These credentials can include a work or school account username and passwords, and app passwords. The requirements depend on how the authentication is performed.
For clients that authenticate against an on-premises infrastructure, a work or school account username and password a required. NoteMFA trusted IPs and Conditional Access named locations only work with IPV4 addresses.If your organization deploys the NPS extension to provide MFA to on-premises applications note the source IP address will always appear to be the NPS server the authentication attempt flows through. Azure AD tenant typeTrusted IPs feature optionsManagedSpecific range of IP addresses: Administrators specify a range of IP addresses that can bypass two-step verification for users who sign in from the company intranet.FederatedAll Federated Users: All federated users who sign in from inside of the organization can bypass two-step verification. The users bypass verification by using a claim that is issued by Active Directory Federation Services (AD FS).Specific range of IP addresses: Administrators specify a range of IP addresses that can bypass two-step verification for users who sign in from the company intranet.The Trusted IPs bypass works only from inside of the company intranet. If you select the All Federated Users option and a user signs in from outside the company intranet, the user has to authenticate by using two-step verification. The process is the same even if the user presents an AD FS claim.
End-user experience inside of corpnetWhen the Trusted IPs feature is disabled, two-step verification is required for browser flows. App passwords are required for older rich client applications.When the Trusted IPs feature is enabled, two-step verification is not required for browser flows. App passwords are not required for older rich client applications, provided that the user hasn't created an app password. After an app password is in use, the password remains required. End-user experience outside corpnetRegardless of whether the Trusted IPs feature is enabled, two-step verification is required for browser flows. App passwords are required for older rich client applications. ImportantIf an account or device is compromised, remembering Multi-Factor Authentication for trusted devices can affect security.
If a corporate account becomes compromised or a trusted device is lost or stolen, you should.The restore action revokes the trusted status from all devices, and the user is required to perform two-step verification again. You can also instruct your users to restore Multi-Factor Authentication on their own devices with the instructions in. How the feature worksThe remember Multi-Factor Authentication feature sets a persistent cookie on the browser when a user selects the Don't ask again for X days option at sign-in. The user isn't prompted again for Multi-Factor Authentication from that same browser until the cookie expires. If the user opens a different browser on the same device or clears their cookies, they're prompted again to verify.The Don't ask again for X days option isn't shown on non-browser applications, regardless of whether the app supports modern authentication. These apps use refresh tokens that provide new access tokens every hour.
When a refresh token is validated, Azure AD checks that the last two-step verification occurred within the specified number of days.The feature reduces the number of authentications on web apps, which normally prompt every time. The feature increases the number of authentications for modern authentication clients that normally prompt every 90 days.
May also increase the number of authentications when combined with Conditional Access policies. ImportantThe remember Multi-Factor Authentication feature is not compatible with the keep me signed in feature of AD FS, when users perform two-step verification for AD FS through Azure Multi-Factor Authentication Server or a third-party multi-factor authentication solution.If your users select keep me signed in on AD FS and also mark their device as trusted for Multi-Factor Authentication, the user isn't automatically verified after the remember multi-factor authentication number of days expires. Azure AD requests a fresh two-step verification, but AD FS returns a token with the original Multi-Factor Authentication claim and date, rather than performing two-step verification again. This reaction sets off a verification loop between Azure AD and AD FS. Enable remember Multi-Factor Authentication. Sign in to the. On the left, select Azure Active Directory Users and groups All users.
Select Multi-Factor Authentication. Under Multi-Factor Authentication, select service settings. On the Service Settings page, manage remember multi-factor authentication, select the Allow users to remember multi-factor authentication on devices they trust option. Set the number of days to allow trusted devices to bypass two-step verification. The default is 14 days.
Select Save.Mark a device as trustedAfter you enable the remember Multi-Factor Authentication feature, users can mark a device as trusted when they sign in by selecting Don't ask again.