QuickBooks Direct Deposit not working can disrupt payroll processes, leading to employee dissatisfaction and financial complications. This issue may arise from incorrect bank information, insufficient funds, or outdated software. Troubleshooting steps include verifying account details, ensuring funds availability, and updating QuickBooks to the latest version. Contacting QuickBooks support or your financial institution may be necessary for persistent problems. Addressing this promptly ensures smooth payroll operations and maintains employee trust and satisfaction. For persistent issues, consult QuickBooks support or a certified professional for assistance at 1.855.409.2300.