kvm virtualisation configured but not available

Hi, I have issues starting my VM's in PVE 8. I have enabled VMX, VT-d and VT-x in BIOS configuration, but when I boot all my VM's refuse to boot: stopped: KVM virtualisation configured, but not available. Either disable in VM configuration or enable in BIOS. Then I checked if something was...

Created a new VM with Windows 2012 R2. All Windows Update up to date as of March 2019. Made a full clone of the VM (Clone #1) and started the clone no problem. I sysprep'd the clone: sysprep /generalize /oobe /shutdown Sysprep was successful and shutsdown. I made another full clone of it...