BLZBNTBTS00000028

Updated: 1 month ago
Article ID: 15053
Relevant Games:

Common Problems

We can't connect you to the Blizzard patch service. Please check your internet connection and try again.
BLZBNTBTS00000028

This error occurs when your connection to our servers is blocked. This may be caused by a third-party program. Follow the steps below to resolve the issue.

  1. Update your drivers to resolve any compatibility issues.
  2. Try closing background applications to resolve any software conflicts.
  3. Disable or temporarily uninstall any security programs, which may mistakenly identify the login module as a security threat.
  4. Disable any proxies that may interfere with the login module.
Advanced Troubleshooting
  1. If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
  2. Update Flash in Internet Explorer, even if you normally use a different browser.
  3. Check your network configuration to find any issues with your firewall, router, or port settings.
  4. Reset your Windows Firewall to its default settings.
  5. (macOS only) Check for and disconnect 802.1X authentication, which can prevent connections to our games.

Tried everything here?

If the steps above did not resolve your problem, visit our Technical Support forum or contact us.