Error BLZ51901023
Updated: 6 months ago
Article ID: 110008
Common Problems
When I log in I get error code BLZ51901023
This error is caused by Blizzard services being down for maintenance. However in some cases it can be caused by a connection problem.
- Reset your network devices.
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If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
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Release and renew your IP and flush your DNS to resolve any network conflicts.
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Configure your security software's exception list to allow Blizzard applications to run.
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Close all other applications to resolve software conflicts and free up resources.
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Update your drivers and operating system to resolve any compatibility issues.
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