Understanding QuickBooks Error Code 309 in Bank Feeds
QuickBooks Error Code 309 is a bank connectivity problem. It usually indicates your financial institution requires re-entry of login details or has denied access due to incorrect authentication. Common solutions include verifying your online banking credentials, reauthorizing the connection, and checking if your bank supports QuickBooks sync. Sometimes, outdated QuickBooks software triggers this error. Updating QuickBooks and re-linking your account is often the quickest fix to restore online banking.