VMware VCENTER CONFIGURATION MANAGER 5.3 - VCENTER DISCOVERED MACHINES IMPORT TOOL GUIDE User Manual page 16

VMware vCenter Discovered Machines Import Tool User's Guide
8. Click Next. The Machines with Uncertain OS wizard page appears and displays machines on which the
Operating Systems were not fully identified. The value displayed for each machine's Operating System
is the most accurate value assigned by Nmap.
9. Select the machines you want to import.
16 VMware, Inc.