How to Tell If Battle.net Is Down
If you think the Blizzard Battle.net servers are down for everyone, try these steps to check: If no one else is reporting issues with Battle.net, then the problem likely lies with your PC or ISP. While you’re on Twitter, check the Blizzard Customer Support Twitter account for updates on whether Battle.net is down. If you can’t open Twitter either, and other popular sites like Google or YouTube are also down, then the problem is likely to be on your end or with your ISP.
What to Do When You Can’t Connect to Battle.net
There are several things you can try if Battle.net and the Blizzard servers seem to be working fine for everyone else but you: If nothing has worked yet, you may be dealing with an internet problem. For example, you may have too many devices using up your network bandwidth, thereby slowing the service too much. Alternatively, your ISP may have issues. Contact your ISP to request further help.
Common Battle.net Error Messages
Battle.net is pretty good at telling you if there’s an issue. Here’s what to look out for.
Something went wrong and our goblins couldn’t figure out what, sadly. The best thing to do is try again. Error Codes: BLZBNTBNU00000006. This usually means you need to reinstall Battle.net to correct the error. We couldn’t log you in. Please check for breaking news or try again later. Error code: BLZBNTBGS80000011. This tends to mean that the Blizzard servers are in maintenance mode right now so you should try again later. We’re having a problem transferring data. Please check your internet connection just in case and try again. Error code: BLZBNTAGT000008A4. This is often rectified by either restarting your PC or ensuring that you have enough available bandwidth on your internet connection. It can occur when too many people are trying to do things online on your network.
If Battle.net is down with a message about any kind of maintenance or issue with its servers, then waiting it out is all you can do. Sometimes such maintenance affects every user but sometimes it’s just a small portion, depending on the server allocation.