How can I get AirPort Utility to locate Time Capsule, using OS Yosemite?

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AirPort Utility cannot locate Time Capsule, using OS Yosemite

I have had no luck trying to add my newly purchased Time Capsule (4th gen) as a new network. My AirPort Utility does not locate the box, even though there's a green indicator light. I've contacted my ISP, who tried to help, but nothing worked, including bridging my DSL modem/router. Each time I try something, I have had to do a factory reset for the utility to pick locate the time capsule. Does this even work with Yosemite?