Restore Sentinel DX4000 or RX4100 Server to Factory Defaults - (Recovery)

To perform a server recovery, please read through the instructions found in the user manual for your model Sentinel to become familiar with the steps involved in the recovery process.

DX4000 - User Manual, instructions start on page 50.
RX4100- User Manual, instructions start on page 66.

STOP Critical: A minimum of two hard drives in the Sentinel are required to install the Operating System from the recovery. The hard drives must be on the supported drive list. To see a list of support drives, please see Answer ID 9443: List of Compatible Hard Drives for WD Sentinel Products

If you are running Windows 10, you do not need the 3rd party virtual DVD program.

To download the .ISO file, click on the link below. There are three versions of the .ISO depending on your location. The same .ISO will work on either the DX4000 or RX4100 


Performing a Recovery

This option enables the Administrator to restore the server to factory defaults with or without deleting all contents stored on the WD Sentinel server.

  1. On the Server Recovery Utilities window, click Perform a recovery.


  2. Click Next. The Getting Started page displays:


  3. Read the information on the screen.
    • If you have previously created a bootable recovery USB flash drive, click the Skip creating the bootable USB flash drive check box and continue to Step 9.

  4. Click Next. The Create a bootable USB flash drive for server recovery screen displays:

  5. Image

  6. Insert the USB flash drive into the USB port of the Windows PC, and click Next. The Prepare the USB flash drive for server recovery screen displays.


  7. The USB flash drive should appear in the Select USB flash drive drop-down list. If it is not on the list, click Refresh and search for it.

  8. Note:

    If the USB drive is not detected, please refer to Answer ID 9889 'Create a bootable USB flash drive for server recovery' appears during Server Recovery on a WD Sentinel RX4100 or DX4000

  9. After locating the USB drive, click the check box to acknowledge that you know clicking Next will delete all files and folders on the USB flash drive.

  10. Click Next. The Preparing the USB flash drive for server recovery screen displays.

  11. The recovery application on the DVD prepares the USB drive. This process can take up to 15 minutes to complete. After the USB drive preparation is done, the Start your server in recovery mode screen displays.


  12. Follow the additional instructions that appear on the screen to guide you through the recovery process:
    1. Shut down the WD Sentinel server.
    2. Insert the USB flash drive into one of the server's USB ports.
    3. Restart your server while pressing and holding the Recovery button on the back of the server.
    4. Continue to hold the Recovery button until the LCD displays INITIALIZING OK. LOADING RECOVERY. Release the Recovery button.
    5. Wait until the LCD displays RECOVERY STARTED.

  13. Return to the PC and follow the instructions by clicking Next. Make sure the PC is on the same network as the WD Sentinel server. The application searches for the WD Sentinel server and performs the final recovery. When the recovery is done, the default display (WDSentinel and IP address) appears on the LCD. For more information, see Microsoft Online Help.

For more information about the WD Sentinel product, please see the WD Sentinel DX4000 User Manual, or WD Sentinel RX4100 User Manual.

In case the answer did not answer your question, you can always visit the WD Community for help from WD users.

Please rate the helpfulness of this answer