PS3 Error Code 80710723
This error is caused by an issue with the ports of your router.
To solve this error :
On your router settings, open TCP port 80, port 443, port 5223 and UDP port 3478, port 3479, port 3658.
Disable the media server connection option found under the Network Settings menu option on the Playstation 3.
This fix for PS3 Error Code 80710723 has been viewed 1337 times.