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Mobile Device Management with Intune

Device enrolment secures the device so that it aligns with your organization's policies. Intune deploys and enforces policies through a management profile, which is installed on the device during the enrolment process. You can set up user-initiated enrolment for people who want to use their personal devices at work and users initiate enrolment by signing into the Company Portal app with their work or school account.

From a zero trust perspective, device management with Intune allows you to build conditional access policies around the concept of device trust where your organization can then enforce device compliance before allowing the device to connect to applications. This is done via the “Require device to be marked as compliant” Grant control in conditional access.

Lab success exit criteria.​

This lab is a continuation of the Intune App Protection policy lab where you allowed unmanaged devices to used approved apps that were protected by Intune. Using the same device, we will now take this from unmanaged to managed via enrolment into Intune MDM.

You will do this by creating an Android device compliance policy in Intune that will set the conditions that a device must first meet to be considered compliant. You will then create an Azure AD Conditional Access policy that requires devices to enrol in Intune and comply with the Intune policies to use the approved Outlook mobile app to access Exchange Online.

Step 1. Enable Android enrolment.​

Before Android devices can enrol into Intune you need to enable an enrolment prerequisite. There are a few choices here depending on the specific customer requirements, but for the purposes of this lab we are going to choose the easiest option called Android Device Administrator.

  1. Sign into the Intune portal https://endpoint.microsoft.com

  2. Select Devices > Android > Android enrolment.

  3. Scroll to the bottom of the page and click the prerequisites tile under Android device administrator option.

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  1. Under the Personal and corporate-owned devices with device administrator privileges page check the box next to Use device administer to manage devices and click Ok.

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Step 2. Create an Android device compliance policy.​

  1. Still in the Intune portal https://endpoint.microsoft.com

  2. Select Devices > Compliance policies > + Create policy.

  3. In the Create a policy pane select the following options:

    • Platform: Android device administrator
    • Profile type: Android compliance policy (this should be greyed out)

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  1. Click Create.

  2. On the Basics page, add the following value:

    • Name: Android Device Compliance Policy

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  1. Click Next to display the Compliance settings page. Expand the Device Health section and set the following:

    • Rooted devices: Block

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  1. Click Next to display the Actions for noncompliance page. Under the Action column for Mark device noncompliant select the Send push notification option.

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  1. Click Next to display the Assignments page. Under Included groups click Add all users.

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  1. Click Next to go to the Review + create page and then click the Create button to finish creating the policy.

Step 2. Create a device based conditional access policy.​

  1. In the Azure AD portal select Security > Conditional access > + New policy.

  2. For the Name, prefix the name of the policy with the recommended naming framework we used in previous labs (i.e., “CA012: Android Device Compliance Policy For Email”).

  3. Under Assignments, select Users and groups. On the Include tab, select All users.

  4. Under Cloud apps or actions. Because we want to protect Microsoft 365 Exchange Online email, we'll select it by following these steps:

    • On the Include tab, choose Select apps. Choose Select.
    • In the applications list, select Office 365 Exchange Online, and then choose Select.
  5. Under Conditions > Device platforms.

    • Under Configure, select Yes.
    • On the Include tab, choose Select device platforms, and tick Android.
    • Select Done.
  6. Under Conditions > Client apps.

    • Under Configure, select Yes.
    • For this lab, select Mobile apps and desktop clients (which refers to apps like Outlook for iOS and Outlook for Android). Clear all other check boxes.
    • Select Done.
  7. Under Access controls, select Grant.

    • On the Grant pane, select Grant access.
    • Select Require device to be marked as compliant.
    • Select Require approved client app.
    • Under For multiple controls, select Require all the selected controls. This setting ensures that both requirements you selected are enforced when a device tries to access email.
    • Choose Select.
  8. Under Enable policy, select On. Click Create.

Step 3. Testing the device compliance policy.​

With these policies created any Android device that now attempts to sign in to Exchange Online will first need to enrol into Intune and then use the Outlook mobile app.

  1. Start the Android device emulator that we created in the previous App Protection lab.
  2. Open the Outlook app and you should be asked to sign-in. After authenticating you should be presented with a message that tells you that you need to setup your device to get access.

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  1. Click Continue. This will take you through the process of enrolling your device and will inform you that you need to install the Intune Company Portal app. As we already have this app installed from the previous lab, we can just launch the Intune Company Portal app to begin the process.

  2. Click the Sign In option and authenticate as your test user that you have been using on the device.

  1. Once in the app click the Devices tab and click on the exclamation mark next to your “My Android” device object to begin enrolment.

  1. On the next screen click on the This device is not managed option.

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  1. On the next screen click on the Begin button at the bottom.

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  1. Click through the next few screens until you reach the Activate this device admin app option and click on the Activate this device admin app.

  1. This will complete the Device Registration process and push the management profile to the device.

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  1. You should now see the Android device appear in the Intune portal under Devices > Android > Android Devices and where it’s compliance state should show as “Compliant”.

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  1. Back on the emulator, switch back to the Outlook app and you should now have access to email once again.

  2. Given the device is now controlled by Intune, you can explore some of the MDM capabilities such as Remote Lock, or wiping a device.

  3. In the Intune portal select Devices > All devices.

  4. In the list of devices, select the Android device, and then select the Remote lock action.

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