82 results found for "firewall"
Instructions for troubleshooting your network to allow Blizzard services to work properly.
Updated: 2 years ago
Article
This error occurs when your connection to our servers is blocked. This may be caused by a third-party program.
Troubleshooting steps to help you connect to Overwatch 2
Information on error BLZ51901021. BLZ51900001
Troubleshooting information for installation or patch problems with Diablo IV on console
Addressing issues when Battle.net Application is stuck on Downloading New Files when launching or installing.
Unable to connect to or stay connected to Battle.net
Troubleshooting steps for issues with Diablo II (2000) connecting to Battle.net Classic servers