Server Up Time Monitoring

# Code Snippet from aperturescience.su
# Parameters
[Parameter(Position=5, Mandatory=$false, HelpMessage="Maximum uptime allowed")]$maxuptime=45,


# Function to help format the strings

function WMIDateStringToDate($Bootup) {
    [System.Management.ManagementDateTimeconverter]::ToDateTime($Bootup)
}

# Main Body
$negmax = -$maxuptime

$system = Get-WmiObject -class Win32_OperatingSystem

$Bootup = $system.LastBootUpTime
$LastBootUpTime = WMIDateStringToDate($Bootup)

$now = Get-Date
$Uptime = $now - $LastBootUpTime
$d = $Uptime.Days
$h = $Uptime.Hours
$m = $uptime.Minutes

Write-Verbose "System Up for: $($d) days, $($h) hours, $($m) minutes"

if ($LastBootUpTime -lt $now.adddays($negmax))
{
    Write-Verbose "System has been up longer than $maxuptime days"
}
else
{
    Write-Verbose "System has not been up longer than $maxuptime days"
}
# Code Snippet from aperturescience.su