windows patching date for bulk servers

1. Generate a Report for installed Hotfix-Update-ServicePack for Bulk Servers.
2. Check a specific Hotfix is installed or not in Multiple Computers.
3. Get the latest Patching Date for bulk Computers.

Create computers.txt on C drive with below command. (create servers list, remove spaces if any exist at the end of computer names, copy to excel and past back in txt)

Get-ADComputer -Filter 'OperatingSystem -like "*Server*"' -Properties * |

Select-Object Name | Sort-Object Name > c:\computers.txt

Save below script as .ps1 and execute on DC.

function Hotfixreport { 

$computers = Get-Content C:\computers.txt   

$ErrorActionPreference = 'Stop'   

ForEach ($computer in $computers) {  

 

  try  

    { 

Get-HotFix -cn $computer | Select-Object PSComputerName,HotFixID,Description,InstalledBy,InstalledOn | FT -AutoSize 

  

    } 

 

catch  

 

    { 

Write-Warning "System Not reachable:$computer" 

    }  

} 

 

} 

Hotfixreport > "$env:USERPROFILE\Desktop\Hotfixreport.txt"

References:

https://gallery.technet.microsoft.com/scriptcenter/Generate-a-Report-for-f71a6800

http://stackoverflow.com/questions/24039325/get-the-last-windows-update-install-date-using-powershell