An automated solution for KB5006670 that breaks printer installs

Ever since KB5006670 was released, I have been receiving reports from our local support team that users are unable to install printers from our print servers. The specific error they were getting was “Windows cannot connect to the printer.” Operation failed with error 0x000006e4.

Thanks to a user on Reddit (NinjaAmbush), I was able to find the following fix which was to uncheck “Render print jobs on client computers” click apply and then recheck the setting. Since this had to be done for each printer on the server, I decided to find out if I could automate the steps with Powershell. Fortunately it was pretty straight forward and I was able to accomplish this with two native Powershell CMDLETS (Get-Printer and Set-Printer).

Here is the automated solution that needs to run on your print servers:

Get-Printer -Full | ForEach-Object { 

    If($_.RenderingMode -eq "CSR") {
        
        Set-Printer -Name $_.Name -RenderingMode SSR
        Set-Printer -Name $_.Name -RenderingMode CSR

    }
    If($_.RenderingMode -eq "SSR") {

        Set-Printer -Name $_.Name -RenderingMode CSR
        Set-Printer -Name $_.Name -RenderingMode SSR

    }

}