Instalacja: Set-location "c:\Folder Path" [System.Reflection.Assembly]::Load("System.EnterpriseServices, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a") $publish = New-Object System.EnterpriseServices.Internal.Publish $publish.GacInstall("c:\Folder Path\DLL.dll") iisreset Kasowanie: Set-location "c:\Folder Path" [System.Reflection.Assembly]::Load("System.EnterpriseServices, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a") $publish = New-Object System.EnterpriseServices.Internal.Publish $publish.GacRemove("c:\Folder Path\DLL.dll") iisreset Źródło: http://social.technet.microsoft.com/wiki/contents/articles/22618.how-to-install-a-dll-to-the-gac-on-windows-server-2012-using-only-powershell.aspx