This is true.
Your PI BatchView QuickSearch isn't going to search.
You might get yourself a COM Error 80040408.
And you might lose a minimum of 90 minutes of your life shagging down what a COM Error has to do with NOT having a default PI server.
The first thing you do is go to your PI Connections. On the menu, select Tools > Options:
You're next, you're going to get this dialog:
In that center area where it says Default Server Settings... select those drop-down menus and make sure that your favorite PI server shows up there. (In this example, it's 192.168.1.131).