Update Master Dependencies throughout PRTG

PRTG-FixDependencies.ps1

# USE AT YOUR OWN RISK. 
# This will reset the dependencies of all ping sensors to be the master object for their parent. 


# Your PRTG Server's FQDN, i.e. prtg.acme.com
$PRTGServer = "prtg.acme.com"

# proper message output 
Function This-ShowMessage([string]$type,$message){

        Write-Host ("[{0}] " -f (Get-Date)) -NoNewline; 

        switch ($type){
            "success"       { Write-Host "    success    "  -BackgroundColor Green      -ForegroundColor White -NoNewline; }
            "information"   { Write-Host "  information  "  -BackgroundColor DarkCyan   -ForegroundColor White -NoNewline; }
            "warning"       { Write-Host "    warning    "  -BackgroundColor DarkYellow -ForegroundColor White -NoNewline; }
            "error"         { Write-Host "     error     "  -BackgroundColor DarkRed    -ForegroundColor White -NoNewline; }
            default         { Write-Host "     notes     "  -BackgroundColor DarkGray   -ForegroundColor White -NoNewline; }
        }
        
        Write-Host (" {0}{1}" -f $message,$Global:blank) 
}


This-ShowMessage -type information "[PRTG Ping Fixer] This will configure ping sensors to be the master object for their parent"
Connect-PrtgServer -Server $PRTGServer -Credential (Get-Credential -Message "Please enter your PRTG Credentials (Username and Password)") -Force -IgnoreSSL

This-ShowMessage -type information "Creating configuration backup..."
Backup-PrtgConfig

# Get all sensors first
$Sensors = (Get-Sensor -Type Ping)

This-ShowMessage -type information "Found $($Sensors.Count) Ping Sensor(s). This is your last chance to stop via CTRL+C..."
$Sensors | ft
Start-Sleep -Seconds 10

# Dependency set to "Master Object For Parent" 
$dependency = @{
    scheduledependency = 0
    dependencytype_ = 2
    DependentObjectId = 0
    DependencyDelay = 0
}

Foreach($Sensor in $Sensors){
    $Sensor | Set-ObjectProperty -RawParameters $dependency -Force
    This-ShowMessage -type success "Updated [$($Sensor.Device)] $($Sensor.Name)"
}