MSI: The System Administrator has set policies to prevent this installation

Hi everyone

Today I wanted to talk a problem I seen on newer Windows Server 2019 in a RD setup.

Some user were having problem with a GPO for software installation (per user).

After some diagnostic I found on all my 2019 that the MSI system is restircted now by default.

If you stumble upon this bug;

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Then you must be like me, and you have a registry to change.


Now it should work.