The 46-year-old singer was ringing in the new year with a gig at New York's Times Square on the show "Dick Clark's New Year's Rockin' Eve with Ryan Seacrest", but had to stop her performance following technical difficulties.
Seacrest insisted Carey was working with the best people in the business and doubted that they would have made a blunder on the night, reported FemaleFirst.
Talking about the controversial performance on "Watch What Happens Live with Andy Cohen", he said, "What was going through my head was and is - that crew that team that staff is the best in the business. They put on the biggest live music events and they know what they're doing. And I know how good they are at their jobs. So my reaction was - she was working with the best.
Seacrest admitted he initially did not realise that there was something wrong with the show as it was too noisy in Times Square.
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"I had to be told that something was going on and then try and find a monitor to react to. So I wasn't quite sure what was happening, actually," he said.
Carey had complained that she could not hear the music and strutting across the stage she said, "We didn't have a (sound) check for this song, so well just say it went to No 1, and that's what it is. Okay."
"S*** happens. Have a happy and healthy new year everybody! Here's to making more headlines in 2017," Carey had tweeted them.