PowerShell find Remove Windows patch files

This morning received an email notice from the head office, to the effect that the latest March Windows patch files kb4088875 will cause VMware under the Windows 7 and Windows R2 lost IP address, look to everyone's attention.

Beans are generally patched with the WSUS server, and the frequency is more positive. On the WSUS look, this security patch has been default approve, quickly decline off.

Because this patch has been out for 2 weeks, it is estimated that some servers have been patched, these installed patches are not automatically deleted. Although I disable the installation on WSUS, this setting only works for servers that are not installed, and is manually removed for those that have already been installed.

Search through PowerShell to see which machines are installed.

$a=Get-ADComputer -Filter {operatingsystem -like "*2008 R2*"} | select name$b=invoke-command -ComputerName $a.name -script {Get-Hotfix | where {$_.HotFixId -like "KB4088875"}} -ErrorAction SilentlyContinue

The result is as follows, fortunately, several units

Removing patches is also easy, execute the following remote command

invoke-command -ComputerName $b.pscomputername -script {Start-Process wusa.exe -ArgumentList ‘/KB:4088875 /uninstall /quiet /norestart‘ -Wait }

Re-scan okay successfully deleted

PowerShell find Remove Windows patch files