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AZ-140 · Question #248

AZ-140 Question #248: Real Exam Question with Answer & Explanation

The correct answer is B: Active Directory Domain Services (AD DS) only. MSIX app attach (the legacy implementation) specifically requires session hosts joined to Active Directory Domain Services (AD DS). It depends on AD DS for authentication and access to the VHD/VHDX/CIM package files stored on network shares that require Kerberos authentication. M

Submitted by minji_kr· Apr 18, 2026Plan and implement user environments and apps

Question

You have an Azure Virtual Desktop deployment. You plan to deploy a host pool named Pool1 that will contain 10 session hosts. The session hosts will use MSIX app attach. Which directory service supports MSIX app attach?

Options

  • AMicrosoft Entra ID only
  • BActive Directory Domain Services (AD DS) only
  • CActive Directory Domain Services (AD DS) and Microsoft Entra Domain Services only
  • DMicrosoft Entra ID and Active Directory Domain Services (AD DS) only
  • EMicrosoft Entra ID and Microsoft Entra Domain Services only
  • FMicrosoft Entra ID, Microsoft Entra Domain Services, and Active Directory Domain Services (AD

Explanation

MSIX app attach (the legacy implementation) specifically requires session hosts joined to Active Directory Domain Services (AD DS). It depends on AD DS for authentication and access to the VHD/VHDX/CIM package files stored on network shares that require Kerberos authentication. Microsoft Entra ID alone and Microsoft Entra Domain Services are not supported for MSIX app attach. Note the distinction: the newer 'App attach' feature (which replaced MSIX app attach) does support Microsoft Entra joined hosts, but MSIX app attach remains restricted to AD DS joined session hosts.

Topics

#MSIX app attach#Azure Virtual Desktop#Directory Services#Prerequisites

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