Invalid Primary DNS Server Address

You have entered an incorrect Primary DNS Server Address.

The first octet of the Primary DNS Server Address may not be 127, or a number greater than 223 (i.e. 0.x.x.x, 127.x.x.x, 224.x.x.x, 250.x.x.x, etc.).

The Primary DNS Server Address is checked when the Set button is pressed to download data to the module. If any of the disallowed values are entered and you attempt to download, this error is displayed and no values are downloaded to the module.

Enter the correct Primary DNS Server Address or contact your network administrator for the correct Primary DNS Server Address.