Bitlocker and Remote Desktop (RDP) – Access is denied

Access denied error message, when trying to activate Bitlocker on USB device via remote desktop.

Today, I wanted to encrypt a USB drive via Remote Desktop. However, I only got access is denied error message.

By default, Windows does not allow us to encrypt a drive with Bitlocker when connected via RDP. Also, the error message is not very helpful.

Access is denied
Don’t remove your drive during Bitllocker setup

But there is a solution. We have to open the group policy editor.

Now we have to navigate to the following setting: Administrative templates – System Removable Storage Access – All Removable Storage: Allow direct access in remote sessions

The settings need to be set to “Enabled”.

After that it is possible to encrypt the drive with Bitlocker.

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