Dealing with QuickBooks Error 103, which is confusing? First off, try not to panic. To begin basic troubleshooting, make sure the banking credentials that you have entered into QuickBooks precisely match the login details you now have for the external bank or financial account in question. Verify again that the website is completely operational and that third-party application connectivity is permitted in accordance with its terms of service. Reconnecting accounts usually fixes 103 problems that keep coming up. For instant assistance contact to our QuickBooks Experts Team at 1.833.460.2030