# Exchange 2010 mail queues size check V1.0
# Dmitry Vayntrub 05/06/2011
#
# To use with NSClient++ :
#
#[NRPE Handlers]
#command[check_mail_queu=cmd] /c echo C:\Scripts\Nagios\check_mail_queue.ps1 | PowerShell.exe -Command -
#
# On the check_nrpe command include the -t 30, since it takes some time to load
# the Exchange cmdlet's.

Add-PSSnapin Microsoft.Exchange.Management.PowerShell.E2010

if 
 ($NagiosDescription=Get-TransportServer | Get-Queue -Filter {MessageCount -gt 1000})
 {Write-output "CRITICAL: " $NagiosDescription
 exit 2}


elseif 
 ($NagiosDescription=Get-TransportServer | Get-Queue -Filter {MessageCount -gt 500})
 {Write-output "WARNING: " $NagiosDescription
 exit 1}

else
 {Write-Host "OK: All mail queues within limits."
 exit 0}