As it turns out, several different scenarios might ultimately cause this error code:
Checking the Xbox Live status
Before you try any other fixes, you should do a little investigation to figure out if the error is not beyond your control. As some affected users have reported, this problem can also be caused by a server issue that is preventing your console from validating your account – a server issue related to the Xbox Live service is most likely the cause of this problem. In case the Xbox Live service is down, Microsoft will be unable to validate your account which will end up producing the 8015D000. If this scenario looks like it could be applicable, access this link (here) and see if Microsoft currently reports any issues with the Xbox Live server. In case the investigation has revealed that Microsoft is indeed dealing with some server issues, you have no repair strategies left other than waiting for the server problem to be fixed by their software engineers. However, in case the investigation didn’t point towards any issue, one of the methods below will help you fix the issue.
Verifying your Microsoft account
Keep in mind that if you have more than one Microsoft account, you might encounter the 8015D000 error because you’re trying to sign in with the wrong account. Ensure that you are attempting to sign in with the account linked to Xbox Live and that the correct email and password are entered. If you notice that the wrong Gamertag is displayed (not your usual one), you’re likely signing the wrong Microsoft account. If you investigated and confirmed that your using the correct Microsoft account to connect to Xbox Live and the password and username are correct, move down to the next potential fix below.
Unblocking your Account
If you’re using an Outlook.com and Hotmail.com account when connecting to Xbox Live and Microsoft’s bots notice suspicious activity coming from that account, you might be hit with a temporary block enforced for your protection. This typically occurs when there are suspicions that your email account is being used for spam practices – Microsoft maintains a list with email accounts engaged in this activity and will actively block them. Note: Keep in mind that if you don’t engage in spammy practices willingly doesn’t mean that your email is not being used for this without your knowing. To see if this scenario applies to your current scenario, follow the instructions below to unblock your account: In case the same problem is still occurring, move down to the next potential fix below.
Granting Parental Consent (if applicable)
Keep in mind that if you’re seeing the 8015D000 or 8015d021 error when trying to sign into a child account, it’s likely that the parent account hasn’t given permission yet for the child to sign into the account. But this all depends on your region – European Union, South Korea, and the United States will require you to grant permission first before you will be able to access the child’s account. If you’re in a location that requires parental control, follow the instructions below: In case parental consent is already granted or you’re in a location that doesn’t require you to do this, move to the next method.
Setting the same Info in the Child and Parent Account (if applicable)
As it turns out, this problem can also occur if the parent and child account contain conflicting information – In most cases, you should expect to see the 8015d021 error in cases the country that was set is different on the child account than the one on the parent account. Several affected users that encountered the same problem have confirmed that they finally managed to fix the issue after signing into both accounts (child and parent) and ensuring that the Birth date and country & region are set correctly. Here’s a quick step-by-step guide that will help you verify this:
Xbox Getting More Backward Compatible Xbox 360 GamesFix: Xbox 360 Open Tray ErrorFix: AfterGlow Xbox 360 Controller Wont WorkHow to Delete Profiles on Xbox 360
