This changes with the 2021-08 cumulative update due to the new setting " Apply layered order of evaluation for Allow and Prevent device installation policies across all device match criteria". Click on Add members to add the device in Azure AD. Nevertheless, it has so far been practically impossible to ban all memory sticks, for example, and exclude specific (approved) sticks from this restriction.A policy to prevent installation always prevailed over allowance, even if the latter was tailored to a specific device. Go to Endpoint Manager Groups and select USB Device Restriction Exceptions Group and select Members. There are two settings for each type of device: one to allow installation and one to block it. ![]() The respective container can be found under Computer Configuration > Policies > Administrative Templates > System > Device Installation. Controlling access to USB devices Select the Policies menu and click on your policy. In contrast to the settings under Removable Storage Access, those for restricting device installation can, as expected, only be applied to computers and not to users. ![]() In the selected Rule Set, click Device Control, Actions, New Rule, Removable Storage Device Rule. Create a Rule Set or open an existing Rule Set. Add the Bus Type property and change the value to USB. In this case, the devices do not appear in the system at all, and the assignment of permissions is neither possible nor necessary. Add Block USB drives to the name of the definition. This happens at the driver level, so that removable media can be excluded entirely. If you’re interested in trying the new experience, check out Getting started. Note: Many of the features in the new Outlook for Windows work the same or similarly as Outlook on the web. ![]() Any malwarepotentially malicious software or codeis disabled. Blocking: Block the USB device from being used, and the user can also be informed that the device on their computer has been blocked. If you cannot implement the desired requirements for controlling peripheral devices in this way, the alternative is to manage device installation. Mail identified as possible junk email can be automatically moved to the Junk Email folder. If the USB connects to a host within the selected host group, the USB is ignored and no event is. ![]() In addition, these policies apply only to a few types of devices. Select the host group where you wish to prevent USB detection. It is practically impossible to implement whitelisting in this way because you can only configure restrictions, not exceptions. The disadvantage of this approach is that it is quite inflexible. Disable USB drive In order to put your new GPO into effect immediately, open an administrative command prompt and issue the following command: gpupdate/ force This command refreshes Group Policy throughout your Active Directory domain. When looking to block USB drives within Microsoft Intune, it’s very important to plan ahead as a failure to do so may cause disruption to users and require extra additional steps to remediate, the main question that should be answered before proceeding is “Do I want to block all users or a subset of users from accessing USB drives?” Decide this early, if you wish to allow USB drives for a subset of users then create an additional AAD group with the users or devices present so we can exclude them from the policy.Settings for access rights to removable storage media
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