Need to to suppress reboot

TechUST
606
Reputation points
I am upgrading the GlobalProtect client to the latest version 6.3.3. When I deploy the MSI through SCCM, it restarts automatically after the upgrade. I want to suppress the restart. I tried using the /norestart switch, but it's not working. Please suggest a switch that can successfully suppress the restart.
Microsoft Security | Intune | Configuration Manager | Application
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