The Best Ever Solution for QuickBooks Error 9999 QuickBooks Error 9999 is a banking error that usually gets triggered while connecting your bank account to QuickBooks. The error can get triggered due to several reasons, such as issues with the bank account or issues with the bank connection. You can update the bank connection with QuickBooks to resolve the error. You need to implement the solutions depending on the cause of the error. You will find the causes and the solutions to the error below in this article. Read the entire article to know more about QuickBooks Banking Error 9999. If you need any kind of assistance with the error’s troubleshooting, dial 1.855.738.2784 and get help from a QuickBooks Expert. Solutions to QuickBooks Online Banking Error 9999 Update Bank Manually The error gets triggered when you have recently changed your bank account details, but the bank did not get updated. You need to update your bank manually to refresh your QuickBooks connection to the bank. The steps to manually update the bank are given below: 1. Select Banking tab in QuickBooks. 2. Choose the banking option under the Banking tab. 3. Click the Update option. 4. Type your verification credentials if asked. 5. Finally, click Continue Update. Manually upload your transactions into QuickBooks Online If the error is not resolved yet, you can manually upload your transactions to fix the error. Follow the steps provided below to manually update the transactions in QuickBooks: 1. Open Banking/Transaction menu in QuickBooks Online. 2. Select Banking tab. 3. Choose the blue title for the account in which you want to upload the transaction. 4. Click the Link account drop-down and select Upload from File. 5. Then click Browse and search the transaction file you downloaded from the bank. 6. Click the Next button. 7. Go through the on-screen instructions to fill the information from the file to QuickBooks correctly and then select Next. 8. Choose the transaction you want to import. 9. Finally, click Next and then select yes. Conclusion The information given above in this article explains the causes and the solutions to the QuickBooks Error 9999. The solutions that are included above are updating the bank manually and uploading the transactions manually. If the error is not yet fixed, you can disconnect and reconnect your bank account to resolve the error. In case the error persists, dial 1.855.738.2784 and get technical assistance from a QuickBooks Professional.