Troubleshooting step for connection-related problems on Windows.
How to troubleshoot connection issues between Battle.net and Steam
Troubleshooting game or Battle.net services connection error BLZBNTAGT00000BB8
Troubleshooting steps to help you connect to the Battle.net desktop app.
Information on troubleshooting connection and installation issues using another network.
This error occurs when you have connected to our patch server but you cannot download patch information.
How to read and analyze WinMTR data in order to track down a potential connection issue.
How to read and analyze Pingplotter data in order to track down a potential connection issue.
Troubleshooting steps for communication and transmission errors.