RMM and Remote Access Tool Blocker

Deploy WDAC

Creates an XML policy that blocks the remote tools you have not excluded.

Designed for Windows 11 24H2 and newer. Many rules use several wildcards, which need Windows 11.

Exclude trusted tools, then download XML.

1. Create

Intune → Endpoint security → App Control for Business → Create.

Intune App Control for Business: select App Control for Business, then Create.

2. Name

Name the policy. Select Next.

Basics: the policy name is set to Block RMM.

3. Upload

Choose XML upload (Default). Upload your downloaded XML.

Configuration settings: XML upload selected, with an XML file loaded into XML value.

4. Assign

Set scope tags if needed. Assign your pilot device group.

Review + create → Create.

Assignments: one device group is selected with target type Include.

5. Verify

  • Allow the policy to sync to the pilot device.
  • Test excluded and blocked tools.

Expand assignments after testing.

Microsoft documentation