Rerun all SCSM DW jobs

ProcessSCSMDW.ps1

$smdir = (Get-ItemProperty "HKLM:\Software\Microsoft\System Center\2010\Service Manager\Setup").InstallDirectory
Import-Module "$smdir\Microsoft.EnterpriseManagement.Warehouse.Cmdlets.psd1"

$SleepTimer = 120

$JobTypes = @(
    "DWMaintenance",
    "MPSyncJob",
    "Extract_",
    "Transform.",
    "Load.",
    "Process."
)

$Jobs = Get-SCDWJob

Foreach ($Job in $Jobs)
{
    Disable-SCDWJobSchedule -JobName $Job.Name -Verbose
    Disable-SCDWJob -JobName $Job.Name -Verbose
    Stop-SCDWJob -JobName $Job.Name -Verbose
    Start-Sleep -Seconds ($SleepTimer/4)
}

Start-Sleep -Seconds ($SleepTimer*2)

Foreach ($JobType in $JobTypes)
{
    Foreach ($Job in ($Jobs | Where-Object {$_.Name -like "$($JobType)*"}))
    {
        Write-Output "[$(Get-Date -Format HH:mm:ss)] $($Job.Name): Starting"
        Enable-SCDWJob -JobName $Job.Name -Verbose
        Start-Sleep -Seconds $SleepTimer
        Start-SCDWJob -JobName $Job.Name -Verbose
        do {
            Write-Output "[$(Get-Date -Format HH:mm:ss)] $($Job.Name): Running"
            Start-Sleep -Seconds $SleepTimer
        } while ((Get-SCDWJob -JobName $Job.Name).Status -eq "Running")
        Write-Output "[$(Get-Date -Format HH:mm:ss)] $($Job.Name): Completed"
    }
}

$Jobs = Get-SCDWJob

Foreach ($Job in $Jobs)
{
    If ($Job.IsEnabled -eq $false)
    {
        Enable-SCDWJob -JobName $Job.Name -Verbose
    }
    Enable-SCDWJobSchedule -JobName $Job.Name -Verbose
}

How long can this script run? In my environment, It has been running for over 24 hours now.