irgofaster.ps1

param(
 [string]
 $numberOfConcurrentActivities
)
$registryPath = "HKLM:\SOFTWARE\Microsoft\DataTransfer\DataManagementGateway\Gateway"
$Name = "WorkerProcessCount"
if (($numberOfConcurrentActivities -match "^[\d\.]+$") -eq $false)
{
    Write-Error "Number of concurrent activites needss to be a number."
    Throw
}
if (!(Test-Path $registryPath))
{   
    Write-Host "Adding Registry Path..."
    New-Item -Path $registryPath -Force 
    New-ItemProperty -Path $registryPath -Name $name -Value $numberOfConcurrentActivities -PropertyType DWORD -Force 
}
else {
    Write-Host "Setting WorkerProcessCount"
    New-ItemProperty -Path $registryPath -Name $name -Value $numberOfConcurrentActivities -PropertyType DWORD -Force
}

Firstly, Thank you for this code! We were told about this reg value by Microsoft (and also found using ProcessMonitor). The value is number of threads per core rather than total. Wrting this just in case someone else comes across the code. Hope that is OK.

OK cheers!