Western Digital WD Sentinel DS6100 Administrator and Maintenance Guide - Manual (Page 26)

CONNECTING THE SERVER AND GETTING STARTED
20 WD SENTINEL DS5100/DS6100
ADMINISTRATOR AND MAINTENANCE GUIDE
8. Select your Update settings. This specifies how you’d like your device to install system
updates.
9. Click Configure.
10. Review the information on the Configuration Completed screen, then click Close.
Windows Server 2012 R2 is now installed.
Important: This process can take an hour or more and may restart more than once. Do
not interrupt the process. Do not power off or disconnect the WD Sentinel server.