Xbox Live Account Not Connected to Correct GamerTag

well if this is the correct account then test xbox live connection or recover your gamertag to speed it up

To remove that gamertag that is connected to your 'main' email (Microsoft Account), just change the connected gamertag connected to a new Microsoft account.

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So first free up your 'correct' email address by moving the connected gamertag to a new Microsoft Account

and after that you should be able to change the 'email' (Microsoft Account) for your main gamertag to your 'correct' email address (Microsoft Account)

Hello xlStormblade,

That is correct. Once you factory reset the Xbox you're selling, all of the data will be wiped from it (accounts, personal data, games, applications, and save data). Since your account/Gamertag is connected to Xbox Live, it will still remain on your other,
unwiped Xbox.

Hello Rigaderchi, I'm sure you are able to get on by now, but for future references, if your account on your console is not reflecting the correct subscription status, you should be able to update it immediately by running the Xbox LIVE Connection test or
by recovering your Gamertag.

The account does need to be connected to XBox Live in order to purchase avatar items (and it does have to be her account as avatar items are not available to any gamertag except the purchasing gamertag). However, you can connect her gamertag to XBox Live
with a free silver account and access the avatar marketplace without issue.