Quickbooks error 12029 occurs most frequently when an internet connection is lost and QuickBooks is unable to obtain an IP address. In essence, the issue was caused by QuickBook's inability to connect to the server. There's also a risk that your firewall is attempting to prevent QuickBooks or payroll updates. As a result, it should always be a top priority to resolve this issue as quickly as possible so that you can resume your work in QuickBooks without interruption. Don't be depressed! If you are unable to resolve this issue code on your own, we will discuss it here. As a result, after reading the instructions, you will be able to identify the troubleshooting guidelines with simplicity.