SCCM 2012 Client - Powershell to Patch and Reboot

Question

Powershell script to install all outstanding security patches and reboot server having sccm 2012 client.
([wmiclass]'ROOT\ccm\ClientSDK:CCM_SoftwareUpdatesManager').InstallUpdates([System.Management.ManagementObject[]] (Get-WmiObject -Query 'SELECT * FROM CCM_SoftwareUpdate' -namespace 'ROOT\ccm\ClientSDK')); 
while (!((gwmi -Namespace 'ROOT\ccm\ClientSDK' -Class 'CCM_ClientUtilities' -list).DetermineIfRebootPending().RebootPending)){
Write-Host "Patching";Start-Sleep -s 120;
if((gwmi -Namespace 'ROOT\ccm\ClientSDK' -Class 'CCM_ClientUtilities' -list).DetermineIfRebootPending().RebootPending)
{(Get-WmiObject -Namespace 'ROOT\ccm\ClientSDK' -Class 'CCM_ClientUtilities' -list).RestartComputer()}

Answer 1

If your clients are member of an Active Directory, you could also use a startup script to update the client.
Jason has a very popular script you can use:
http://blog.configmgrftw.com/configmgr-client-startup-script/
Ronni Pedersen | Microsoft MVP - ConfigMgr | Blogs:
www.ronnipedersen.com/ and www.SCUG.dk/ | Twitter
@ronnipedersen