Game DLC I have already purchased saying I need to Purchase again.

Eventually all items on the Marketplace will tell you that you need to purchase it again. If you need to redownload something always start from the Download History.

As for the missing DLC, are you sure it was originally purchased with the tag you're posting with? You may want to double check other tags on the console.

You can also go to commerce.microsoft.com to double check past purchases on your account as all purchases are listed there since the account was created.

i havent changed xbox im on the same xbox and the dlcs have gone from my download history and its saying i need to purchase them again which i am not willing to do because i have already brought them

I think you misunderstood my post. Both DLC's are loaded on my Xbox 360 console. I downloaded the game onto my Xbox One console, but only the Bring Down the Sky DLC downloaded, I went to Microsoft store to redownload the DLC for Pinnacle station
and it is telling me to purchase it again instead of saying I already own it. It seems kinda stupid to have to purchase the DLC content again because I wanted to install the game on the Xbox One console..

In store it says the DLC is not sold separately, but I CAN buy the 60$ Version for everything all over again. I already have the base game, and the two previous DLC's, I just need this new DLC. In game it gives me a code saying "!Query Failed: Could not
establish connection to the Xbox Games Store. New Silver Purchases will update when you next sign in."

Which I've signed in and out multiple times and still same error code.

Hi Ivan,

Thank you for posting in Microsoft Xbox Community. I understand that you purchased Monster Hunter Rise and it's saying that you need to purchase it.

If you already have the base game (Monster Hunter Rise) and you want to play the Sunbreak Edition, you will just need to purchase the Sunbreak expansion separately as a DLC.

Regards,

Alvaro