Western Digital My Cloud EX2 Ultra User manual

WD My Cloud EX2
Personal Cloud Storage
User Manual
™

WD Service and Support
Should you encounter any problem, please give us an opportunity to address it before returning this
product. Most technical support questions can be answered through our knowledge base or email
support service at http://support.wd.com. If the answer is not available or if you prefer, please
contact WD at the best telephone number shown below.
Your product includes 30 days of free telephone support during the warranty period. This 30-day
period starts on the date of your first telephone contact with WD Technical Support. Email support is
free for the entire warranty period and our extensive knowledge base is available 24/7. To help us
keep you informed of new features and services, remember to register your product online at
http://register.wd.com.
Accessing Online Support
Visit our product support website at http://support.wd.com and choose from these topics:
Downloads—Download drivers, software, and updates for your WD product.
Registration—Register your WD product to get the latest updates and special offers.
Warranty & RMA Services—Get warranty, product replacement (RMA), RMA status, and data
recovery information.
Knowledge Base—Search by keyword, phrase, or answer ID.
Installation—Get online installation help for your WD product or software.
WD Community—Share your thoughts and connect with other WD users.
Online Learning Center — Start here to get the most out of your personal cloud storage
device (http://www.wd.com/setup).
Contacting WD Technical Support
When contacting WD for support have your WD product serial number, system hardware, and
system software versions available.
Registering Your WD Product
Register your WD product to get the latest updates and special offers. You can easily register your
drive online at http://register.wd.com or by using WD My Cloud EX2 personal cloud storage
software.
North America Asia Pacific
English 800.ASK.4wd Australia 1 800 42 9861
(800.275.4932) China 800 820 6682 / [phone]
Spanish 800.832.4778 Hong Kong [phone]
India 1 800 11 9393 (MNTL) / 1 800 200 5789 (Reliance)
011 26384700 (Pilot Line)
Europe (toll free)* 00800 ASK4
WDEU
Indonesia [phone]
(00800 27549338) Japan 0120-994-120 / 00531-65-0442
Korea 02 703 6550
Europe [phone] Malaysia [phone] / 1 800 88 1908/[phone]
Middle East [phone] Philippines 1 800 1441 0159
Africa [phone] Singapore [phone] / [phone]/[phone]
Taiwan [phone]/[phone]
* Toll free number is available in the following countries: Austria, Belgium, Denmark, France, Germany, Ireland,
Italy, Netherlands, Norway, Spain, Sweden, Switzerland, United Kingdom.

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Table of Contents
WD Service and Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
Registering Your WD Product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
1Important User Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Important Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Recording Your WD Product Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
About the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
About the Online Learning Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pre-installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Handling Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Product Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Installing Drives in the Driveless Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Physically Connecting the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Getting Started Using Online Setup Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Getting Started Without Online Setup Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Accessing Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4Accessing Your Cloud Remotely . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Enabling Cloud Access for the WD My Cloud EX2 Device. . . . . . . . . . . . . . . . . . . . . . . . . 21
Configuring Cloud Access for a User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Mobilizing Your Files with iOS and Android Mobile Apps. . . . . . . . . . . . . . . . . . . . . . . . . . 23
5Managing Users, Groups, and Shares . . . . . . . . . . . . . . . . . . . . . . . . . . 34
About Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
About Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
About Shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
6The Dashboard at a Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Launching the Dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
The Dashboard Home Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Obtaining Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Common Tasks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
7Backing Up and Retrieving Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
About Backups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Managing a USB Device and USB Backups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

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Remote Backups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Internal Backups. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Cloud Backups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
8Managing Storage on WD My Cloud EX2 . . . . . . . . . . . . . . . . . . . . . . 81
Storage Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
RAID Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Disk Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
iSCSI Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Volume Virtualization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
9Managing Apps on WD My Cloud EX2 . . . . . . . . . . . . . . . . . . . . . . . . . . 97
About Apps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Managing Apps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
10 Playing/Streaming Videos, Photos, & Music . . . . . . . . . . . . . . . . . . . . 101
Media Servers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Media Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Enabling DLNA and iTunes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Accessing Your Personal Cloud Using Media Players . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Accessing Your Personal Cloud Using iTunes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
11 Configuring Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Firmware Update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
12 Replacing a Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Identifying a Faulty Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Replacing a Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Returning a WD Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
13 Regulatory and Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . 137
Regulatory Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Warranty Information (All Regions Except Australia/New Zealand) . . . . . . . . . . . . . . . . . 138
Warranty Information (Australia/New Zealand only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

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Appendices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Appendix A: WD My Cloud EX2 Quick User Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Appendix B: Joomla!® Setup Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Appendix C: phpBB Setup Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Appendix D: Supported RAID Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Appendix E: RAID Migrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Appendix F: Safe Mode Firmware Update Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Appendix G: Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158

IMPORTANT USER INFORMATION
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WD MY CLOUD EX2 PERSONAL CLOUD STORAGE
USER MANUAL
Important User Information
Important Safety Instructions
Recording Your WD Product Information
Important Safety Instructions
This device is designed and manufactured to assure personal safety. Improper use can
result in electric shock or fire hazard. The safeguards incorporated into this unit will protect
you if you observe the following procedures for installation, use, and servicing.
Follow all warnings and instructions marked on the product.
Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners
or aerosol cleaners. Use a damp cloth for cleaning.
Do not use this product near any liquids.
Do not place this product on an unstable surface. The product may fall, causing
serious damage to the product.
Do not drop the product.
Do not block the slots and openings on the top and bottom of the chassis; to ensure
proper ventilation and reliable operation of the product and to protect it from
overheating, these openings must not be blocked or covered. Making sure the drive
is standing upright also helps prevent overheating.
Operate this product only from the type of power indicated on the marking label. If
you are not sure of the type of power available, consult your dealer or local power
company.
Do not allow anything to rest on the power cord. Do not locate this product where
persons will walk on the cord.
If an extension cord is used with this product, make sure that the total ampere rating
of the equipment plugged into the extension cord does not exceed the extension
cord ampere rating. Also, make sure that the total rating of all products plugged into
the wall outlet does not exceed the fuse rating.
Never push objects of any kind into this product through the chassis slots as they
may touch dangerous voltage points or short out parts that could result in a fire or
electric shock.
Unplug this product from the wall outlet and refer servicing to qualified service
personnel under the following conditions:
- When the power cord or plug is damaged or frayed.
- If liquid has been spilled on the product.
- If the product has been exposed to rain or water.
- If the product does not operate normally when the operating instructions are fol-
lowed. Adjust only those controls that are covered by the operating instructions
since improper adjustment may result in damage and require extensive work by a
qualified technician to the product to normal condition.
- If the product has been dropped or the chassis has been damaged.
- If the product exhibits a distinct change in performance, contact WD Customer
Support at http://support.wd.com.
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IMPORTANT USER INFORMATION
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Recording Your WD Product Information
Remember to write down the following WD product information, which is used for setup and
technical support. Your WD product information is found on the label on the back of the
device.
- Serial Number
- Model Number
- Purchase Date
- System and Software Notes

PRODUCT OVERVIEW
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Product Overview
About the System
Features
About the Online Learning Center
Package Contents
Pre-installation Instructions
Handling Precautions
Product Components
About the System
Designed from the ground up with the quality and reliability you've come to expect from
WD® and backed by a two-year warranty, My Cloud EX2 is a high-performance, two-bay
Network Attached Storage (NAS) device for your home or small office. Save all your content
in one place and protect your data with RAID 1, cloud or LAN/WAN backup options. Stream
large files to any screen and expand your NAS features with a full suite of apps.The WD My
Cloud EX2 personal cloud storage system is a high-performance system providing secure
wireless access to your media and files from any computer, tablet, or smartphone when
connected to a wireless router.
This user manual provides step-by-step installation instructions and other important
information about your WD product. Translated versions and updates to this user manual
can be downloaded from http://products.wd.com/updates. For more information and news
about this product, visit our website at http://www.wd.com/.
Features
Ultimate reliability from the trusted name in storage – Designed from the ground up
with the quality and reliability you've come to expect from WD®and backed by a two-year
warranty, WD My Cloud EX2 is a high-performance, two-bay NAS for your home or small
office. Save all your content in one place and protect your data with RAID 1, cloud or LAN/
WAN backup options. Stream large files to any screen and expand your NAS features with a
full suite of apps.
Numerous options – Choose the diskless enclosure to build your NAS with the drives of
your choice. Or, choose a populated system that works right out of the box, featuring WD
Red™ hard drives for ultimate reliability in the unique 24x7 NAS operating environment.
Drive management – Control your data with multiple drive management options including
RAID 0, 1; JBOD, and spanning modes.
Data protection at its best – You’re armed with multiple options to secure your data from
loss. Choose from RAID 1, USB, cloud or LAN/WAN backup depending upon your data
security needs.
Easy to manage – A powerful dashboard means your system is always under your control.
Monitor your drives, manage users and utilize energy-saving features. Email and mobile
alerts keep you informed of WD My Cloud EX2 status.
Award-winning mobile and desktop apps – With the WD My Cloud mobile and desktop
apps, you can upload, access and share your documents from anywhere. Conveniently
transfer files from your public cloud accounts to WD My Cloud EX2 using a mobile app.
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WD MY CLOUD EX2 PERSONAL CLOUD STORAGE
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Powerful apps to customize your NAS – Including aMule, Icecast, Joomla!®, phpBB®,
phpMyAdmin, Transmission, SqueezeCenter, and more. For the most recent apps available,
visit wd.com/setup/mycloudex2apps.
Advanced serving options – Integrated file server, FTP server, backup server, and P2P
torrent download server.
Stream media to your connected devices – Stream videos and photos to connected
TVs, media players, gaming consoles and other DLNA®/UPnP®devices. Features a Twonky
7.2 and a DLNA-certified 1.5 media server. And with a built-in iTunes®server, you can easily
stream your music collection.
Back up, your way – Protect your data via remote backup to another My Cloud EX2 or My
Cloud EX4, integrated cloud backup or local LAN/WAN backup. PC users, WD
SmartWare™ Pro offers options for how, when and where you back up your files for up to
ten computers. Mac®users, utilize all the features of Apple®Time Machine®backup
software to protect your data.
Expand your capacity – Simply attach a compatible USB hard drive directly to My Cloud
EX2 to expand your storage capacity. Two USB 3.0 expansion ports are provided.
Integrated energy-saving features – Save energy with disk spin-down and scheduled power
on/off.
Your own personal cloud – Unlike public clouds, My Cloud EX2 allows you to keep all your
content in one safe place on your home or office network instead of a remote server. No
mysterious location of your data. No monthly fees. No limits.
Advanced features – iSCSI target, full-featured FTP services, jumbo frame support, iPv6
ready, UPS support (USB and network), real time resource monitor, volume encryption with
boot-up password, SNMP and virtual volumes.
About the Online Learning Center
WD’s online Learning Center provides the latest information, instructions, and software to
help users get the most out of their personal cloud storage. This web-based guide offers
step-by-step help with setting up remote access, backing up data, monitoring device status
and more. It’s an interactive resource to walk users through installing and using their
WD My Cloud EX2 device. The online Learning Center allows you to:
Learn about your new personal cloud storage product.
Download the latest software for your product.
Find in-depth, interactive information on how to explore each of your product’s
features.
Update your product whenever new features become available.
Access an always-available resource online, without a manual or CD.

PRODUCT OVERVIEW
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WD MY CLOUD EX2 PERSONAL CLOUD STORAGE
USER MANUAL
Package Contents
WD My Cloud EX2 Personal Cloud Storage device
Ethernet cable
AC power adapter
Quick Install Guide
Assembly kit (for driveless model only)
For information on additional accessories for this product, visit:
Operating System
Note: Compatibility may vary depending on your computer’s hardware configuration and
operating system.
US www.shopwd.com or www.wdstore.com
Canada www.shopwd.ca or www.wdstore.ca
Europe www.shopwd.eu or www.wdstore.eu
All others Contact WD Technical Support in your region. For a list of
Technical Support contacts, visit http://support.wd.com and see
Knowledge Base Answer ID 1048.
Windows®Mac OS X®
Windows 8.1 or earlier
Windows 7
Windows Vista®
Windows XP (32 bit) SP3 or later
Mavericks (Mac OS 10.9)
Mountain Lion* (Mac OS 10.8)
Lion* (Mac OS 10.7)
Snow Leopard (Mac OS 10.6)
AC adapter* Ethernet cable Quick Install Guide
WD My Cloud EX2 Personal Cloud
Storage Device

PRODUCT OVERVIEW
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WD MY CLOUD EX2 PERSONAL CLOUD STORAGE
USER MANUAL
Web Browsers
Internet Explorer 8.0 and later on supported Windows computers
Safari 6.0 and later on supported Mac computers
Firefox 21 and later on supported Windows and Mac computers
Google Chrome 27 and later on supported Windows and Mac computers
Local Network
Router/switch (Gigabit recommended to maximize performance.)
Internet
Broadband Internet connection is required for initial setup and software downloads,
as well as for remote access and mobile apps.
Pre-installation Instructions
Before beginning installation, select a suitable location for your device to obtain maximum
efficiency. Place it in a location that is:
Near a grounded power outlet
Clean and dust free
On a stable surface free from vibration
Well ventilated, with nothing blocking or covering the slots and openings on the top
and bottom of the device, and away from sources of heat
Secluded from electromagnetic fields from electrical devices such as air
conditioners, radio and television receivers.
Handling Precautions
WD products are precision instruments and must be handled with care during unpacking
and installation. Rough handling, shock, or vibration can damage the device drives. Observe
the following precautions when unpacking and installing your external storage product:
Do not drop or jolt the device.
Do not move the device while it is powered on.
Do not use this product as a portable device.
Do not remove both data drives at the same time. This will cause your device to
become unresponsive.

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USER MANUAL
Product Components
Front View
Power LED
Drive LEDs

PRODUCT OVERVIEW
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USER MANUAL
Back View
Component Icon Description
Ethernet port Connects the device to a local network.
USB 3.0 port Connects to a USB hard drive for additional storage.
Reset button ( ) Restores settings such as the administrator user name and password
for the device.
Power port Connects the device to an AC adapter and the power outlet.
Kensington
security slot
For device security, the device is equipped with a security slot that
supports a standard Kensington security cable.
Visit http://www.kensington.com/ for more information.
Kensington®
Security Slot
USB ports
External DC In
Power port
Ethernet port
Reset button

GETTING STARTED
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USER MANUAL
Getting Started
Installing Drives in the Driveless Model
Physically Connecting the Device
Getting Started Using Online Setup Software
Getting Started Without Online Setup Software
Accessing Content
It’s easy to set up the WD My Cloud EX2 Personal Cloud Storage device -- all you have to
do is unpack your device, connect it, and wait for the Power LED on the front of your device
to turn a solid blue. Then, download and run the quick setup software, available at
http://www.wd.com/setup.
Note: For information about safely shutting down and disconnecting the device,
see “Utilities” on page 125
Installing Drives in the Driveless Model
Important: Following are instructions for installing drives in WD My Cloud EX2 models that
come without drives. You may use a drive made by WD or one made by another company.
For a list of compatible drives, go to wd.com/mycloudex2.
Note: For further instructions on how to remove and replace a faulty drive, or to prepare
and insert a non-WD drive see “Replacing a Drive” on page 133.
Important: Make sure the device is not connected to power or to the network.
Important: To avoid electrostatic discharge (ESD) problems, ground yourself by
touching metal before handling the device.
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Note: You’ll need a phillips-head screwdriver for this procedure.
Note: The power and network cables are not connected when you do this.
1. Press the indented button on the door (top) of the device and open the top.
2. Remove the bracket that will hold the drives in place.
3. Using a screw from the bag, attach a plastic tab to the top hole in the drive’s side (on the
right if the green board is facing you).
4. Insert a screw in the corresponding hole on the other side of the drive.
5. Attach labels 1 or 2 to the top of the drive. Label 1 is on the left and label 2 is on the
right, when looking down on the top of the unit. There are corresponding numbers on
the cross brace label.
6. When looking down on the top of the unit with the front panel towards you, and with the
connectors at the bottom of the drive facing in, gently slip the drive into a slot.
7. Make sure the tab is sticking up at the back of the unit.
Bracket
Screw
Tab
Replacement
drive
Green board
facing in
Label

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8. Repeat steps 3-7 for the other drive.
9. Screw the bracket in over the drives.
10. Close the door and firmly push down until it locks into place.
11. Continue to “Physically Connecting the Device” on page 11.
Physically Connecting the Device
Follow the steps below to connect the WD My Cloud EX2 Personal Cloud Storage device to
a home or small office network.
1. Using the provided Ethernet cable, connect one end of the Ethernet cable to the
Ethernet port located on the back of the device.
2. Connect the other end of the Ethernet cable directly into a router or network switch port.
3. Connect one end of the power adapter into the power supply socket on the back of the
device.
Important: To avoid overheating, make sure the device is upright as shown in
the illustration above and nothing is blocking or covering the slots
and openings on the top and bottom of the device. In the event of
overheating, the device will perform a safe shutdown, interrupting
all processes currently being performed. If this occurs, data may
be lost.
Important: We recommend that you use the enclosed Ethernet cable for best
performance.
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3
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4. Plug the other end of the power adapter into a power outlet. The unit powers up
automatically.
5. When the power LED on your device turns a solid blue, continue to “Getting Started
Using Online Setup Software” on page 13.
LEDs
Front Panel Power LED
The following table describes the front panel power LED behavior.
Note: For non-compatible drives, the power LED blinks yellow during power up.
Front Panel Hard Drive (HDD) LEDs
The following table describes the front panel hard drive LED behavior.
Note: For incompatible drives, the hard drive LEDs blink red rapidly as the unit
powers up.
Important: Wait for the WD My Cloud EX2 device to finish powering up
(approximately three minutes) before configuring it. You will know
it is ready when the power LED stops flashing and turns blue.
State Color Appearance State Description
Power Down Black
(off)
------- Drive in standby/sleep mode.
Powering Up Blue Flashing Device is powering on or in the process of
updating the firmware.
Power Up Blue Solid Device is in a power up (on) state.
Power Up (degraded) Red Flashing Device is powered up but the volume is
degraded.
Action required Yellow Flashing A condition, such as a network cable has
become unplugged, which requires you to
act.
Function Color Appearance Function Description
No drive Black
(off)
------ Drive is not present.
Drive present, no
activity
Blue Solid Drive is present but there is no activity.
Active drive Blue Flashing Drive is present and showing drive activity.
Hard drive fault Red Flashing Drive is present but has a hard drive fault or
failure.

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Back Panel Ethernet (Network) LEDs
The following table describes the network and activity LEDs:
Note: Looking at the port, the LED on the top left is the Activity LED, and the one
on the top right is the Link LED.
Getting Started Using Online Setup Software
The online setup software walks you through the steps necessary to easily connect your
device to your home or small office network. Use the following steps to download and run
the online setup software, discover the device, and get started using your device. The online
setup software is available from WD’s Online Learning Center at
http://wd.com/setup/wdmycloudex2.
Downloading and Installing the Online Setup Software
After connecting your device:
1. Open a web browser. (For browser requirements, see “Web Browsers” on page 6. )
2. In the address field, type http://wd.com/setup/wdmycloudex2 to display the Welcome
to the Learning Center page:
State LED Appearance State Description
Link down Link Off Cable or device is not plugged in, or other
end of link is not operational.
Link up – 10/100
connection
Link Yellow Cable is plugged in, and both ends of the
link have successfully established
communications. 10/100 network
connection.
Link up – 10/100/
1000 connection
Link Green Cable is plugged in, and both ends of the
link have successfully established
communications. 10/100/1000 network
connection.
Link idle Activity Solid Active communication is not in progress.
Link busy Activity Green - Blinks Active communication is in progress.

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3. Click WD My Cloud EX2 to display the download page:
Note: The online Learning Center automatically detects your operating system
(OS). If you’d like to download setup software for a different operating
system, select your OS from the drop-down menu at the top of the page
before selecting the Download Setup Software button.
4. Click the Download Setup Software button. The setup software downloads to your
computer.
5. Access your downloaded files, and then double-click Setup.exe (Windows) or
WD My Cloud EX2 Personal Cloud Storage Setup.dmg (Mac) to open the setup
software. The Getting Started window displays.

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Connecting to the Network and Creating a Personal Cloud
1. On the Getting Started window (above), and click Get Started.
2. Read the Western Digital End User License Agreement that displays, and then select the
“I accept the terms of the License Agreement” check box and click Next.
3. Review the information on the screen,