What is error BN-564 Overwatch?
From what we have gathered thus far, the error code is caused by server downtime. However, this is not the case for everyone. Sometimes one needs to unlink their Blizzard account, among other things, to set things straight again.
How to fix Overwatch BN-564 error
The below list should aid the user in solving the problem in the fastest time possible, so take your time to read the content:
1] Check if the Overwatch servers are down
OK, so the first thing you will need to do here is to check if the servers are down. There are multiple ways to do this. For example, you can follow the official social media pages of Overwatch on Twitter, Facebook, and Instagram. If servers are down, then there is a good chance the company will make a public announcement to ease the minds of their fans. There are several websites that can help you detect if a website or service is down or not. You could visit Outage.Report too. It is a website designed to highlight whether a company’s servers are down or not. Click on the Companies button to the top-right corner to get a list of all the supported ones.
2] Unlink your Blizzard account right now
If you can confirm that server issues are not causing this problem, then we suggest unliking your Blizzard account, which will log you out of your account from all devices. Several players of Overwatch have made it clear that this method is capable of fixing the BN-564 error code, so let us pray this is indeed the case. To unlink your Blizzard account, you must first open the Batte.net app and be sure to sign in with the account that is affected by the BN-564 error. From there, click on the Blizzard icon at the top-left corner, then select Account Management. From there, scroll directly down to Security Checkup and click on Security. Navigate directly to Recent Login Activity, then choose Log out from all devices. Sign in again with the affected account and check if error BN-564 is no more.
3\ Reinstall Overwatch on your Xbox One
As it stands, the final option to take is to simply reinstall the game. Doing this should return Overwatch to its default state, ultimately fixing the problem once and for all. At least, that is our hope, so please let us know in the comment section if a reinstallation of the game has worked for you. READ: How do I fix Xbox One Error Code 0x800c0008.