Sometimes it is easy to get lost in a myriad of log files and Google searches when troubleshooting an issue. However, while searching for a knowledge base article to do with composer error codes, I came across this little gem of a post.
[QuickPost] Sysprep was not able to validate your Windows Installation
If you do any work with vSphere, the chances are you will at some point be creating templates. Part and parcel of template creation is Microsoft’s Image Preparation Tool Sysprep.
Now most of the time, this useful utility behaves itself, but occasionally it can throw a little tantrum like the one below