Invoke-Command -ComputerName PC01, PC02, PC03 -ScriptBlock gpupdate /force
It is crucial to understand the difference between the standard gpupdate and gpupdate /force . group policy force update
This checks the version of the GPO on the domain controller against the version currently stored on the local computer. If the version numbers match (meaning the policy hasn't changed), nothing happens. This is efficient and saves bandwidth. Invoke-Command -ComputerName PC01