Follow these steps EXACTLY as shown.
Start with the new HR34.
Connect the existing ethernet cable (from the old HR23) to the new HR34. Restore network defaults by:
MENU
Parental, Fav's & Setup
System Setup
Network
Restore Defaults
Exit out of the MENU structure to LIVE TV. Once you are watching LIVE TV, press the red RESET button (behind the access card door). Allow the HR34 to reboot completely to LIVE TV, then immediately run a SYSTEM TEST by:
MENU
Parental, Fav's & Setup
System Setup
System Info & Test
Run System Test
After System Test is complete, press the OK button, and left arrow to:
Network Setup
Connect Now
You should get a code 88-xxx
Now move to the HR24.
1) Ensure There is NO ETHERNET CABLE plugged into the HR24
Restore Network Defaults by:
MENU
Settings & Help
Settings
Network Setup
Restore Defaults
Once you see the message that defaults have been restored, Exit out of the MENU structure to LIVE TV. Once you are watching LIVE TV, press the red RESET button (behind the access card door).
Allow the HR24 to completely boot up to LIVE TV. Now initiate a SYSTEM TEST by:
MENU
Settings & Help
Settings
Info & Test
Run System Test
After System Test is complete, press the OK button, and left arrow to:
Network Setup
Connect Now
you should also get a code 88-xxx.
WHDVR & Inernet connectivity should both be working.
Please post results.
Good Luck!!