Western Digital My Cloud EX2 Ultra User manual

My Cloud EX2 Ultra
Private 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.
Learning Center — Start here to get the most out of your Private 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 My Cloud EX2 Ultra Private Cloud Storage
software.
North America Asia Pacific
US & Canada
English
800 275-4932 Australia 1 800 42 9861
US-Spanish 949 672-7199 China 800 820 6682 / 400 627 6682
Mexico 800.832.4778 Hong Kong [phone]
India 1 800-200 5789 / 1 800-419 5591
Europe (toll free)* 00800 ASK4 WDEU Indonesia 001-803-852 3993
(00800 27549338) Japan 0800-805 7293 / 0120-934 453
Europe [phone] Malaysia 1 800-817 477
Middle East [phone] Philippines 1 800-1855 0277 / [phone]
Africa [phone] Singapore 1 800 608 6008
Russia 8-10-8002-3355011 Taiwan 0800-225 593 / [phone]
Thailand 00 1800 852 5913
* 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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WD MY CLOUD EX2 ULTRA PRIVATE CLOUD STORAGE
USER MANUAL
WD Service and Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
Registering Your WD Product. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
1 Important User Information 1
Important Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Recording Your WD Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Product 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
3 Getting Started 11
Installing Drives in the Driveless Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Physically Connecting the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Getting Started Using Online Setup Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Getting Started Without Online Setup Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Accessing Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4 Accessing Your Cloud Remotely 17
Enabling Cloud Access for the My Cloud EX2 Ultra Device . . . . . . . . . . . . . . . . . . . . . . . . 17
Configuring Cloud Access for a User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Mobilizing Your Files with iOS and Android Mobile Apps . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5 Managing Users, Groups, and Shares 20
About Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
About Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
About Shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6 The Dashboard at a Glance 31
Launching the Dashboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
The Dashboard Home Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Obtaining Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Common Tasks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
7 Backing Up and Retrieving Files 45
About Backups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Managing a USB Device and USB Backups. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Remote Backups. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Internal Backups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Table of Contents

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Cloud Backups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
8 Managing Storage on My Cloud EX2 Ultra 56
Storage Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
RAID Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Disk Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
iSCSI Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Volume Virtualization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
9 Managing Apps on My Cloud EX2 Ultra 66
About Apps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Managing Apps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
10 Playing/Streaming Videos, Photos, & Music 70
Media Servers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Media Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Enabling DLNA and iTunes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Accessing Your Private Cloud Using Media Players . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Accessing Your Private Cloud Using iTunes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
11 Configuring Settings 78
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Firmware Update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
12 Replacing a Drive 100
Identifying a Faulty Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Replacing a Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Returning a WD Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
13 Regulatory and Warranty Information 103
Regulatory Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Warranty Information (All Regions Except Australia/New Zealand) . . . . . . . . . . . . . . . . . 104
Warranty Information (Australia/New Zealand only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
14 Appendices 107
Appendix A: My Cloud EX2 Ultra Quick User Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Appendix B: Joomla!® Setup Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Appendix C: phpBB Setup Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Appendix D: Supported RAID Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Appendix E: RAID Migrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

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Appendix F: Safe Mode Firmware Update Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Appendix G: Technical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
15 Index 119

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IMPORTANT USER INFORMATION
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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MY CLOUD EX2 ULTRA PRIVATE CLOUD STORAGE
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IMPORTANT USER INFORMATION
WARNING! This device uses a lithium battery, type CR2032. There is danger of
an explosion if the battery is incorrectly replaced. Replace only with
the same or equivalent battery type recommended by the
manufacturer. Dispose of used batteries according to the
manufacturer’s instructions.
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

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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®, My Cloud EX2 Ultra 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 backup options. Stream large files to any screen
and expand your NAS features with a full suite of apps.The My Cloud EX2 Ultra private
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
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 My Cloud EX2 Ultra status.
Powerful apps to customize your NAS – Including aMule, Icecast, Joomla!®, phpBB®,
phpMyAdmin, Transmission, SqueezeCenter, and more. For the most recent apps
available, visit www.mycloud.com/learn.
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 and a DLNA-certified media server. And with a built-in iTunes®server, you can
easily stream your music collection.

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Back up, your way – Protect your data via remote backup to another My Cloud device,
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 Ultra 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 Private Cloud – Unlike public clouds, My Cloud EX2 Ultra 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 Private 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 My Cloud EX2 Ultra device. The online Learning Center allows you to:
Learn about your new Private 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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MY CLOUD EX2 ULTRA PRIVATE CLOUD STORAGE
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Package Contents
My Cloud EX2 Ultra Private Cloud Storage device
Ethernet cable
AC power adapter
Quick Install Guide
Assembly kit (for driveless model only)
AC adapter* Ethernet cable Quick Install Guide
My Cloud EX2 Ultra Private Cloud
Storage Device
For information on additional accessories for this product, visit:
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.
Operating System
Windows®Mac OS X®
Windows 10
Windows 8 or 8.1
Windows 7
Windows Vista®
El Capitan (Mac OS 10.11)
Yosemite (Mac OS 10.10)
Maverick (Mac OS 10.9)
Mountain Lion* (Mac OS 10.8)
Lion* (Mac OS 10.7)
Note: Compatibility may vary depending on your computer’s hardware configuration and
operating system.

PRODUCT OVERVIEW
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MY CLOUD EX2 ULTRA PRIVATE CLOUD STORAGE
USER MANUAL
Web Browsers
Internet Explorer IE10 and above
Safari 6.0 and later on supported Mac computers
Firefox 30 and later on supported Windows and Mac computers
Google Chrome 31 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.

PRODUCT OVERVIEW
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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
ExternalDC In Power
port
Ethernet port
Reset button
LEDs
Front Panel Power LED

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USER MANUAL
The following table describes the front panel power LED behavior.
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.
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.
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.
Note: For incompatible drives, the hard drive LEDs blink red rapidly as the unit
powers up.

PRODUCT OVERVIEW
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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.
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.

GETTING STARTED
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Getting Started
Installing Drives in the Driveless Model
3
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 My Cloud EX2 Ultra Private 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 92
Important: To avoid electrostatic discharge (ESD) problems, ground yourself by touching
metal before handling the device.
Installing Drives in the Driveless Model
Important: Following are instructions for installing drives in My Cloud EX2 Ultra 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 http://products.wdc.com/.
Important: Make sure the device is not connected to power or to the network.To avoid
electrostatic discharge (ESD) problems, ground yourself by touching metal
before handling the device.
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 100.

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Note: You’ll need a phillips-head screwdriver for this procedure. Also, 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.

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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 13.
Physically Connecting the Device
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Follow the steps below to connect the My Cloud EX2 Ultra Private Cloud Storage device
to a home or small office network.
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.
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.

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4. Plug the other end of the power adapter into a power outlet. The unit powers up
automatically.
Important: Wait for the My Cloud EX2 Ultra 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.
5. When the power LED on your device turns a solid blue, continue to “Getting Started
Using Online Setup Software” on page 14.
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://
products.wdc.com/.
Downloading and Installing the Online Setup Software
After connecting your device:
1. Open a web browser and type http://mycloud.com/setup to display the welcome page.
2. On the Welcome page, click Get Started.
The setup software begins searching for your My Cloud device. When your device is
found, a screen displays showing your device and IP and MAC addresses.
3. Follow the on screen instructions to complete the setup process and install WD Sync.
4. After setup is complete and WD Sync has been installed, a window displays the most
common folders on your computer. Select the folders on your computer that you want
to sync with your My Cloud device and click Next.
5. WD Sync setup is complete. Click Close to exit WD Sync setup.
Note: The WD Sync shortcut might be under Show Hidden Icons in your taskbar.

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Getting Started Without Online Setup Software
If you do not use the online setup software to get started, you can still:
Use your My Cloud EX2 Ultra Private Cloud Storage device as an external hard
drive, dragging and dropping files to and from it.
Configure the device using the My Cloud EX2 Ultra device’s dashboard. (See
“The Dashboard Home Page” on page 33.)
Back up files using USB, Remote, Internal, and Cloud backup (see “Backing Up
and Retrieving Files” on page 45).
Accessing Content
The My Cloud EX2 Ultra device’s Public folder contains Shared Music, Shared Pictures,
and Shared Videos subfolders. The existing content of the subfolders are files that you
dragged and dropped or files that have been backed up from your computer or an
attached USB drive:
Note: This manual uses the term shares and folders interchangeably.
Once you’ve physically connected your My Cloud EX2 Ultra device (see “Physically
Connecting the Device” on page 13), use the following steps to access the contents of
your device.
If your operating systems is... Then...
Windows 10/ Windows 8 or 8.1.1 1. On the Windows 8 Start page, type Computer
2. Click Computer.
3. In the left pane, click Network.
4. Double-click MyCloudEX2Ultra and locate the device’s Public
folder.
5. Double-click the Public folder to display the Shared Music,
Shared Pictures, and Shared Videos subfolders. You can now
drag and drop files into (and from) the shared media folders using
Windows Explorer.
Windows XP/Vista/Windows 7 1. Click or Start > Computer > Network > MyCloudEX2Ultra
and, if required, enter your network (router) credentials. The
device’s Public and private folders (shares) display.
2. Double-click the Public folder to display the Shared Music,
Shared Pictures, and Shared Videos subfolders. You can now
drag and drop files into (and from) the shared media folders using
Windows Explorer.