Nightfall Windows Agent Deployment: Microsoft Intune

Learn how to install the Nightfall Agent for Windows using Intune as a Line-of-Business (LOB) app.

Prerequisites

• You must have access to Microsoft Intune with the necessary admin privileges.

• Get the .msi package and command arguments form https://app.nightfall.ai/endpoint

  • Download the .msi installer file for the Nightfall Agent.

  • Note the API Key and Company ID in the command line provided by Nightfall.

Deployment Steps

1. Log into the Intune Admin Center

   • Navigate to Microsoft Intune Admin Center.

   • Go to: Home > Apps > All Apps > Add

2. Select App Type

   • Under App type, choose: Line-of-business app

3. Add App Package

   • In the App package file section, click Select app package file.

   • Upload the NightfallAgent.msi file.

4. Configure App Information

   • Fill in the Name, Description, and other fields as desired.

   • Click Next.

5. Specify Install Command Line

   • In the Command-line arguments field, enter:

     API_KEY=your_api_key_here COMPANY_ID=your_company_id_here
     
     ⚠️ Important:
     - Do NOT include msiexec /i NightfallAgent.msi — This is handled automatically.
     - Do NOT wrap the values in double quotes.
     
     ✅ Correct Example: API_KEY=ufapuhaefaw COMPANY_ID=qohuifpqrwf

6. Assign the App

   • Assign the app to the appropriate device groups or users.

   • Click Next and complete the wizard.

7. Monitor Deployment

   • Go to Monitor > App Install Status to confirm successful deployment.

8. Verify Installation on a target/test machine

   1. Once installation shows as successfull by Intune, check if the agent is running:

      1. Open Task Manager (Ctrl + Shift + Esc).

      2. Look for the Nightfall Agent & NightfallUI processes under the Processes tab.

      
   2. Confirm the Nightfall agent is configured to your Nightfall tenant

      1. On the windows machine:

         1. Double-click the Nightfall agent icon in the status bar.

         2. The displayed UUID should match your Nightfall tenant UUID located under https://app.nightfall.ai/settings/

      2. On the Nightfall console:

         1. The newly configured device should be listed under https://app.nightfall.ai/endpoint.