An administrator is preparing separate App Attach pilots for App-V packages and signed MSIX packages. Which two statements describe valid packaging prerequisites?

Select all that apply. Every correct option and no extras are required for credit in the app.

A.Ensure the session hosts trust the valid signing-certificate chain for the MSIX package.
B.Every App-V package must first be converted to MSIX with MSIXMGR before it can be attached.
C.Always generate a CIM image on a newer Windows version than the target session hosts, regardless of compatibility.
D.Store the App-V package itself on a file share accessible to the session hosts; it does not require expansion into a CIM or VHDX image.

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✓ Correct answers

Ensure the session hosts trust the valid signing-certificate chain for the MSIX package.
Store the App-V package itself on a file share accessible to the session hosts; it does not require expansion into a CIM or VHDX image.

App-V packages can use the documented direct-package path on an accessible file share. MSIX packages need the application-image workflow and a signing chain trusted by the session hosts. CIM authoring must respect target Windows compatibility. Option explanations: A. Ensure the session hosts trust the valid signing-certificate chain for the MSIX package.: MSIX packages require valid code signing, and the whole certificate chain must be trusted on the session hosts. Package assignment does not establish certificate trust. B. Every App-V package must first be converted to MSIX with MSIXMGR before it can be attached.: App-V has its own supported App Attach package path. Conversion through MSIXMGR is not a universal prerequisite. C. Always generate a CIM image on a newer Windows version than the target session hosts, regardless of compatibility.: To preserve compatibility, Microsoft says to generate CIM files on a Windows version lower than or equal to the version on which the packages will run. D. Store the App-V package itself on a file share accessible to the session hosts; it does not require expansion into a CIM or VHDX image.: Microsoft permits the App-V package itself on the accessible file share, instead of requiring an expanded MSIX application image. Sources: App Attach in Azure Virtual Desktop — https://learn.microsoft.com/azure/virtual-desktop/app-attach-overview; Create an MSIX image for App Attach — https://learn.microsoft.com/azure/virtual-desktop/app-attach-create-msix-image

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