Steps to reproduce:

- got a server 4CPUs, 8GB RAM, 16x2TB, 2x1Gb/Sec NICs
- installed SLES 12 SP3 x64 with SUSE Enterprise storage extention and KVM as a host operating system
- Installed Win10x64 VM, tested network and works fine
- Installed TinyOS VM, tested network and works fine
- during the installation of SLES12 SP3x64 VM

Observed Behavior:

It hangs during the installation

Message "Updating the installer..."