Troubled by QuickBooks error 12029 and need the right fix for it? The QuickBooks error 12029 falls under the category 12XXX error series and shows up on the screen with a warning sign: QuickBooks failed to receive the IP address or servers. The QuickBooks error 12029 shows up when the software is unable to connect to the internet. As a result of this error, you can end up in failing to avail the latest features, maintenance releases, tax table calculations, etc. To help you fix the error 12029, here we are with this informational post discussing the required information.