Thanks for the advice.
Customer said..
As I mentioned at my original email that I could not select “Target Backup Device”. There is no any item in Dropdown list...
Please see the attached file.
There are certain restrictions on fail over setup se the following link:
http://th.faq.buffalo-global.com/app/answers/detail/a_id/12803/kw/failover
1) * Both “Cross Cable” and/or “Straight through Cable”are supported (Auto-MDIX).
2) * There is no restrictions Raid setup .
Start by initializing the backup NAS to factory default settings before setup .
Next, Go through the setup steps.
Please also infor user to do the following checks
1- Make sure you have full HDD in nas. Do not leave any empty drive bay.
2- check see if you can find standby unit if you setup a backup shared folder .
create a folder for backup on standby unit. next go to main unit and create a backup task.
3- check network connection
4- initialize standby unit. (see previous comments for details on restrictions)