F/W v1.0.8.0

Model: DW-VA1G44xT

NETWORK > DDNS – Activate USE DDNS, auto-generate a hostname, and click the check box. When checking an error message pops up.

Please refer to the following screenshot:

There is no issue when a custom hostname is checked:

Until trying to save the custom hostname the same error message pops up ‘CHECK YOUR NETWORK SETTING.’

There was no issue on the browser side: