QuickBooks Error 12029 occurs when QuickBooks fails to access the server due to internet connection issues or firewall settings. This error interrupts the software's ability to download payroll or updates. Possible causes include network timeout, incorrect SSL settings, or interference from security software. To resolve, ensure stable internet connectivity, adjust firewall settings to allow QuickBooks access, and verify SSL settings. If the problem persists, restarting the computer or using QuickBooks in safe mode may help. Additionally, updating QuickBooks to the latest version or reinstalling the software can address underlying issues causing Error 12029.
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