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Power Platform Community / Forums / Power Automate / Setting up Unattended ...
Power Automate
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Setting up Unattended Mode, using Entra

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Posted on by AS-02061918-0 36
Hi All,
 
Do you all have any knowledge of setting up unattended mode through entra id? I am having difficulty understanding the Microsoft Documentation.
 
Thank You!
Categories:
Power Automate Desktop
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  • Verified answer
    Riyaz_riz11 Profile Picture
    Riyaz_riz11 4,048 Super User 2026 Season 1 on at
    Hi,
     
    Follow below steps:

    1. Ensure Licensing & Prerequisites

    • You need a Power Automate Process Plan plus the Unattended RPA add-on assigned to your environment 

    • The target machine must be Windows 10/11 or Server, joined to Azure AD (Entra ID) or Hybrid AD, and have Remote Desktop Users permissions 

    • Ensure no active or locked user sessions exist when running unattended flows 

     2. Create & Configure Machine Connection

    1. In Power Automate portal → go to Data → Connections → New connection → search for Desktop flows.

    2. For unattended mode, select:

      • Connect with username and password

      • Choose the Entra ID-based account registered on the machine (or local account)

      • Fill in machine name and credentials

    3. Don't use Connect with Sign-in — that only supports attended scenarios

     3. Enable Certificate-Based Authentication (Optional, Preview)

    If your tenant enforces MFA or can't bypass password prompts, you can opt for CBA with Entra ID.

    • On the machine, you must enable:

      • RDP with Entra ID for app ID a4a365df‑50f1‑4397‑bc59‑1a1564b8bb9c

      • Suppress consent prompt for that App ID

    This is preview functionality and needs testing.

     4. Fix the "Always Prompt for Password" Issue

    If you encounter the error MSEntraMachineAlwaysPromptingForPassword:

    • This often arises due to an RDP security policy prompting for passwords.

    • Resolution:

      • Set registry key:

        HKLM\SOFTWARE\WOW6432Node\Microsoft\Power Automate Desktop\Service\UseRdsAadAuthentication = 1 

      • Disable Always prompt for password upon connection in Group Policy or registry 



        •  

     5. Configure Machine Settings in Power Platform Admin Center

    • Go to Monitor → Machines in Power Automate portal.

    • Select your machine and click Settings.

    • Enable:

      • Reuse sessions (optional but helpful)

     6. Triggering Flows via Cloud

    • Use a cloud (instant/scheduled) flow.

    • Add the Run a desktop flow action.

    • It should allow selecting your connection (with machine & credentials).

    • Set Run mode to Unattended

     

    If I have answered your question, please mark it as the preferred solution ✅ . If you like my response, please give it a Thumbs Up 👍.
    Regards,
    Riyaz

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