Sysprep was not able to validate your Windows installation

Sysprep was not able to validate your Windows installation
Tweet On a machine running Windows 8, 8.1, 10 or even Windows Server 2012, 2012R2 or 2016 you can get a strange error when sysprepping the machine. Sysprep was not able to validate your Windows installation. (Error 0x8007139f) Normally this is true because you can’t sysprep an upgraded machine. But I had this in a ...

Windows Installer Error Codes

Tweet When working with Windows msi installers you sometimes run into some kind of error or message. Here is an overview of the most common errors or messages. They are most commonly found at the end of your installer log (always install with logging ;-)) usually prefaced by “MainEngineThread is returning”. This is the place ...

Windows Server 2012 KMS Service Activation 7

Windows Server 2012 KMS Service Activation
Tweet So we have Windows Server 2012 and Windows 8 RTM and want to activate them with our KMS server. For this to be successful we need to update our KMS Service, with is currently servicing out Windows Server 2008 R2 servers and Windows 7 clients. When we try to activate a Server 2012 server ...

RoboCopy switches 1

Tweet So I was busy with the most fabulous copy tool ever – RoboCopy. I always forget the exact switches, so for reference use here they are: /S Copies subdirectories (excluding empty ones). /E Copies all subdirectories (including empty ones). /LEV:n Copies only the top n levels of the source directory tree. /Z Copies files ...