Initial Installation with Wizard FAILED in Install Phase

RELEASE:
VxFlex OS 3.0.1.1

ENVIRONMENT/LAB:
VxFlex Gateway => Windows 10
VxFlex LIA, MDM, SDM => 3 Ubuntu 16.04 Nodes (VMs)

ISSUE:
After sucessful performed, Packaages Upload Phase (works only with IE), pre-cofigured CSV Upload, Validation and Upload (of LIA, MDM and SDS), Instal Phase for all packages FAILED.
The messages in all failed packages is:
"Command failed: Found 0 packages of type mdm on 192.168.1.235. Only a single package is expected"

... hmm, the system prevents me to add the rest of my issue decription with the message I have no right ...