How to Set a machine level Environment variable in remote machines

Question

Hi,
I have to set a List($ProjectName) as the value of an environment variable($PROJECTS).
The cmdlet which I tried is :
$remoteMachineList = 'machA', 'machB'
$ProjectName = 'ProjA', 'ProjB', 'ProjC'
foreach($remoteMachine in $remoteMachineList){ icm -comp $remoteMachine {
[Environment]::SetEnvironmentVariable("PROJECTS",$ProjectName,"Machine")
This doesn't throw any errors but it's not setting the value of it. If I give a string or an integer value directly instead of the $ProjectName in the above code, it's working fine.
PLease Help, Thanks in advance !

Answer 1

You have to do a little more work when supplying outside variables into a PSSession (using Invoke-Command in this case) by using the -ArgumentList parameter and supplying a Param() statement in the scriptblock.
$remoteMachineList = 'machA', 'machB'
$ProjectName = 'ProjA', 'ProjB', 'ProjC'
foreach($remoteMachine in $remoteMachineList){
icm -comp $remoteMachine {
Param ($ProjectName)
[Environment]::SetEnvironmentVariable("PROJECTS",$ProjectName,"Machine")
} -ArgumentList $ProjectName
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