Getting error "801540A9" whenever I attempt to play any 360 game on Xbox Series X.

Hi arrowbutcool,

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Thank you for your understanding.

Respectfully,

Lavenia

Hi arrowbutcool,

Thank you for reaching Microsoft Community. We appreciate for sharing your concern to us.

Based on your description, you can't play any 360 games on Xbox Series X due to a problem in your account. We understand your desire, in playing games with your Xbox series X. Let me help you on this.

Please try the solution provided on this link Error 801540A9 occurs when you start a game on Xbox One | Xbox Support.

Let us know if that didn't solve the problem so we can provide other resolution steps.

Kind regards,

Lavenia

1. This is an Xbox Series X console. The error happens when playing backwards compatible games. I had the same a similar problem in January of this year.

2. The console is not second hand. I'm the only user.

3. Yes, of course.

Under network settings, it says everything is fine. It's connected to the internet. It's connected to Xbox Live. NAT is open. When I play XSX or One games, there's no issue.

The problem is when connecting to Xbox Live through the 360 emulator. I got the error 8015190a. Support told me to delete the profile and clear the cache. Following that, whenever I boot a 360 game, it says "getting your Xbox 360 info". The loading bar does not move. After a couple of minutes, the screen fades to black and the game starts. Opening the guide shows that there's no profile. If I try to download a profile, it says "cannot connect to Xbox Live". There is no error code.

Some extra details:

In January I had the error 801540A9. This time the error was 8015190a. In both instances I was advised to clear the cache. In both instances, I was unable to redownload the profile (with some slight differences).

With the error 801540A9, I could at least access the sign in menu. I could enter my email and password, but the profile would fail to download.

With the error 8015190a, I am unable to enter my email and password.

Hi Andrew,

I'm sorry to hear this is happening. We'll be glad to assist you further with this, I do have a question I would like to clarify. Since you're attempting to play this game on the Xbox One and it's asking you to sign in to your 360 profile, do you attempt
to download a complete different profile from the one you're signed in to the Xbox one? Reason I ask this is a common thing that happens when It prompts to have you download the profile on what appears to be the '360 dashboard' on the Xbox one you just need
to re-download the profile you have/ are signed in on the Xbox One.

Now, if you're trying to sign in and it is the same account for Xbox one and the 360 and it's prompting you this error code then this troubleshooting article may help further

"Error 801540A9 occurs when you start a game on Xbox one'

Hope to hear back soon to further assist.

What console are you attempting to play on? 360, XBox one, Series X?