@Chandara If you have set up the Password Recovery option you could recover your password via e-mail: If you didn't set this up your only option is to reset the device or continue using the TP-Lin ID...

@David_in_Boston The http://tplinkap.net domain will resolve to the AP IP address on your local network when you're connected to the AP wirelessly. That means to configure the AP you don't have to...

@swimman You can go ahead and update your VR400 with the latest FW release from the support site manually. It is recommended to have the latest stable FW release on your device for best experience.

@GD4 The " Your modem may not be capable of one giga transfer. " message is only informative and this is normal since VR300 has only 10/100mbps capable LAN ports. " green light constantly on " i.e....

@Dragon76 1) Will upgrading the Firmware add the guest network option in extender mode? 2) Must I be in Access Point Mode? You can easily upgrade the RE to its latest FW release - here. I doubt that...

@newbie199 Can you describe how did you test what dns server your connection is using ?