DTAgent.exe issue with Advanced Optimus

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DTAgent.exe has some issues with Advanced Optimus on modern gaming laptops: it prevents realt-ime MUX switch with an NVIdia error reporting DTAgent.exe prevents switch from iGPU to dGPU-only (with Advanced Optimus you don't need to reboot for MUX switch).
I tried to force promote DTAgent.exe to iGPU only but nothing changes: some games can't auto-switch to dGPU-only when DTAgent.exe is running.