The Battle.NET connection issue displays this error message, Battle.net Error #2 Unable to connect. Consequently, players can’t play Diablo 3 or WoW online.
How can I fix the Battle.NET error code 2 quickly?
1. Check if Blizzard Battle.NET is down
First, check if there’s a more general Blizzard Battle.NET outage with Downdetector. Open Blizzard Battle.NET’s Downdetector page within a browser. That page will tell you if there’s a general Battle.NET outage or not. If so, you’ll need to wait for Blizzard to resolve the matter.
2. Disable third-party antivirus software shields
To ensure a third-party antivirus utility isn’t quarantining Battle.NET app files, try disabling that software. Right-click the antivirus utility’s system tray icon to select a context menu option that will temporarily disable its shield. Alternatively, open the antivirus software to find a disable option on its settings tab.
3. Uninstall third-party firewall software
4. Change the default region for your Battle.NET account
5. Use the Scan and Repair option
6. Close background programs before opening Battle.NET
7. Power Cycle your modem/router
Try shutting down your PC and unplugging your router & modem when Battle.NET error code 2 arises. Wait a few minutes, and then reconnect your modem and router. Wait until all the router’s connection lights are back on. Then turn on your desktop or laptop, and launch a Battle.NET game to see if the issue persists. Those are some of the more likely fixes for resolving Battle.NET error code 2. If the issue still persists, however, you can contact technical support for selected games from Blizzard’s Support page.
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