---
title: "App Installation: Sign in to iTunes to allow ds420.awmdm.com to manage and install the apps."
description: "App Installation: Sign in to iTunes to allow ds420.awmdm.com to manage and install the apps."
---

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# App Installation: Sign in to iTunes to allow ds420.awmdm.com to manage and install the apps.

This message typically indicates that an app is assigned to this iPad which requires the user login with an Apple ID. To determine which app is causing the issue, navigate to **Devices**, **List View**, find the device and click on the device name, click the **More** dropdown and choose **Troubleshooting**. When the next window pops up, you should see the name of the app in the log messages.

![](https://support.desalesmedia.org/ipad/143a.png)

Two possible reasons and their resolutions:

1. An app is configured for **User Assignment** and not **Device Assignment**. By default, all app are assigned based on the Apple iTunes ID. Because the iPads prevent students from logging in with an Apple iTunes ID, the apps cannot deploy until you click the button to **Enable Device Assignment**. To do that, Click **Apps & Books** (in the menu on the left), choose **Applications**, **Native**, and then click **Purchased**. Click on the name of the app, then click the **Enable Device Assignment** button. Then click **Save**.
2. An app is deployed as a **Public** app (apps should only be deployed as Purchased apps after they are purchased in Apple School Manager). To remove the **Public** app assignment, Click **Apps & Books** (in the menu on the left), choose **Applications**, **Native**, and then click **Public**. Click on the name of the app, then click **Assignments**. Removing the assignment can be a bit tricky, depending on how it was assigned, but if you click around, you should be able to figure out how to remove it. If you cannot remove it, send an email to ipads@desalesmedia.org and give us the name of the app.

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