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I can confirm somehow similar behavior on latest VB 6.0.8
Host: Windows 7 SP1 Enterprise, x64
Guest Windows 10 2019 LTSC, x64
Guest additions: installed (6.0.8)

Folder is being shared between guest and host as S:\ (guest) --> C:\ (host) with full access permissions (in VB settings)

User on host has admin privileges (UAC turned OFF). This user runs guest VM
User inside guest VM has admin privileges (UAC turned ON).

Suppose i have an executable in S:\Tmp\ (User on host has full access to this folder as C:\Tmp)
If this executable requires elevation to run, the following is observed:
running it from process on guest that is NOT elevated results in "The request is not supported."
running it from process on guest that IS elevated results in success.

Important: guest has EnableLinkedConnections set to 1 in "HKLM\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System"

Is this intended behavior?

Thanx in advance.

DfDf wrote:I can confirm somehow similar behavior on latest VB 6.0.8

No, you don't. Read the thread. This is not a discussion about executing an .exe file from a shared location, this is a discussion about copying an .exe file. Huge difference.

Please don't hijack/piggyback on other people's threads, it's easy enough to create your very own, unique thread that gets all the attention.