K2000 not running post installation tasks
I'm working on setting up a Windows 10 deploy with K2000. I have a scripted installation, with a Kace-created unattend.xml (created with the guide in K2000) and a clean Windows 10 Enterprise as source media.
Everything seemingly works fine until the post installation tasks are supposed to be installed.
After Kace is done copying drivers it reboots into Windows. (I'm guessing this is either at the Update Configuration For OS Tasks step or Set Engine Run Key step) However, the task engine doesn't launch and no post installation task is run.
I have also tested sysprepping an image and capturing it with K2000. I get the same result here, it installs Windows fine, but skips the PO-tasks.
I'm clueless as what the next step would be.
EDIT: I solved the problem, see my comment below for full answer. Changing the name of the admin account back to admin and disabling automatic Windows updates solved it for me.
There are no answers at this time