Deny all access to Removable Storage using Intune
The Removable Storage Access Control feature enables you to apply policy by using OMA-URI or by using Intune user interface to either user or device, or both. Until now, I have been using Endpoint security profiles to implement device control settings to manage write access to removable drives like USB. However, recently I needed to block access to removable storage altogether and I couldn't make it work using Endpoint security ASR Device control profile. As of writing this blog, these are relevant settings that are available in the Device control profile. I expected Block Removable storage to work, but it didn't. I couldn't find any obvious errors so decided to do some research. One way is to use OMA-URI CSPs which are broadly broken down into following categories - Using Default Enforcement, you can set the default access (Deny or Allow) for all Device Control features ( RemovableMediaDevices, CdRomDevices, WpdDevices, PrinterDevices ). Another way is to use device sto...