Quick assist admin prompt doesn't appear from assisting user(black screen)

Aldien Dela Cruz 0 Reputation points
2025-01-28T01:33:17.45+00:00

I already disabled "User Account Control Switch To The Secure Desktop When Prompting For Elevation" in intune but still getting black screen(assisting user) whenever a UAC for admin creds prompt appears.

User's image

And below is my test PCs current enabled UAC gps

User's image

Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
10,663 questions
Microsoft Managed Desktop
Microsoft Managed Desktop
A cloud-based service that brings together Microsoft 365 Enterprise and adds these features: User device deployment; IT service management and operations; and Security monitoring and response.
62 questions
Microsoft Intune
Microsoft Intune
A Microsoft cloud-based management solution that offers mobile device management, mobile application management, and PC management capabilities.
5,523 questions
0 comments No comments
{count} votes

3 answers

Sort by: Most helpful
  1. Pavel yannara Mirochnitchenko 12,781 Reputation points MVP
    2025-01-28T22:11:13.5766667+00:00

    I only use these settings in Intune Settings Catalog to control UAC. I also removed UAC from Security Baseline and Quick Assist works on my Windows 11 machines without black screen.

    User's image


  2. Aldien Dela Cruz 0 Reputation points
    2025-01-29T01:58:01.3433333+00:00

    Found the solution by configuring the UIA elevation prompt behavior​. To do this, add a Windows template Under the Endpoint protection > Local device security options and configure as follows:

    User's image


  3. Crystal-MSFT 51,726 Reputation points Microsoft Vendor
    2025-01-29T06:36:42.8766667+00:00

    @Aldien Dela Cruz, Thanks for sharing the solution. I am glad the issue is resolved. Here, please let me write a summary for our issue to let others quickly find the solution.

    Issue:

    Disable "User Account Control Switch To The Secure Desktop When Prompting For Elevation" in Intune but still getting black screen(assisting user) whenever a UAC for admin creds prompt appears.

    Resolution:

    User's image

    Thanks for your time and have a nice day!


    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".

    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

    0 comments No comments

Your answer

Answers can be marked as Accepted Answers by the question author, which helps users to know the answer solved the author's problem.