Reboot is needed, check registry key value with Powershell and send email

 # the script is scheduled every morning at 9:00, by calling 

#powershell -executionpolicy Bypass -File \\AD-DOMAIN-FQDN-OR-NETBIOS\sysvol\DOMAIN\scripts\SCRIPT.PS1

#

$rebootcheck = Get-ItemProperty "HKLM:\Software\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired" -Name RebootCheckRequired

if ($rebootcheck.RebootCheckRequired -eq 1) {

write-output "reboot needed"

$mailfrom = "email@email.com"

$mailto = "email@email.com"

$mailserver = "SmtpSERVER.email.com"

$mailusername = "domain\username"

$subject = "$(hostname) need reboot for updates"

$body = "reboot asap"

[System.Net.ServicePointManager]::SecurityProtocol = 'Tls,TLS11,TLS12'

$getpw = ConvertTo-SecureString 'PLAINTEXTPASSWORD' -AsPlainText -Force

$mycreds = New-Object System.Management.Automation.PSCredential($mailusername, $getpw)

[System.Net.ServicePointManager]::ServerCertificateValidationCallback = { return $true }

Send-MailMessage -Credential $mycreds -smtpServer $mailserver -UseSsl -from $mailfrom -to $mailto -subject $subject  -body $body -BodyAsHtml -Encoding ([System.Text.Encoding]::UTF8)

  }

  else {

write-output "reboot not needed"

  }