Ji,
Welcome to the NVIDIA Developer Forums! You actually posted in the community feedback section, I will move this over to the Omniverse category for you.
Cheers,
Tom K
Hello @user30632! I am guessing that you want to setup a Nucleus Server Workstation? Please let me know if I am wrong about that. Here are some links to our documentation:
Have you tried looking at your Omniverse System Monitor to ensure that you have web services enabled?