Video processing shouldn't take longer than a few hours at most (and may be longer for higher res formats). Have you tried using a different device to check if that makes a difference? Here's a few tips for videos stuck in upload too: https://goo.gl/gH99rS . Hope this helps.
@TeamYouTube I'm having a issue uploading a 2 hour video to my channel. "Keeps saying unable to upload this video please try again later" or something like that, the last few days. I'm it's not my internet because I have a 2gigabit connection. It's In a .mp4 format.
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I've tried different devices, I've let it sit over night ECT it's 1440p and is 2gb so I don't know. I've tried my phone, all 4 of my computer's ones a Macbook pro, one a Asus predator laptop and so on and no avail, I've even tried a different video which is 100mb no difference
End of conversation
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