Recover NAS Adapter with TFTP (NASU2)


Below are the instructions to recover the NAS Adapter (NASU2) in the situation that the NAS Adapter web interface can no longer be accessed.

1. Check whether the NAS Adapter can be found.

Connect the NAS Adapter directly to your computer through the RJ45 network port. Click on "Search Next" see if the NAS Adapter can be detected. If the NAS Adapter IP address and Name appears, go ahead with the firmware recover instructions below. If no information appears, the NAS Adapter cannot be recovered with the instructions below. Consider sending the NAS Adapter in for replacement.

2. Configure computer IP address to the same subnet as the NAS Adapter.

Navigate to your network controller TCP/IP properties. The method varies depending on the operating system. Configure the IP address to be in the same subnet as the NAS Adapter.

Windows XP: Start Menu > Control Panel > Network Connections > Local Area Connection > Properties > Internet Protocol (TCP/IP) > Properties

3. Create Command Prompt instance

Enter the Start Menu, and click on "Run".

Windows XP: Start Menu > Run

From the "Run" window, enter "cmd" into the text field and click "OK".

4. Flash firmware to recover NAS Adapter

From the Command Prompt, navigate to the directory containing the NAS Adapter firmware. If the NAS Adapter firmware file has been placed on the desktop, type "cd desktop". Flash the firmware by entering in the command below, then pressing enter. The IP address shown below, "", should be replaced with the IP address of the NAS Adapter. The firmware file shown below, "NASU2FW41b.bin", should be replaced with the correct firmware filename provided by Addonics. The Command Prompt should output a "Transfer successful" message.

tftp -t put NASU2FW41b.bin

5. Check if NAS Adapter web interface can be accessed using the Search Utility