AuthenticationFailed INPUT when trying to connect to bank

amtremlett-iclou,

In open banking, you consent to a connection for 90 days. After that, you'll be invited to re-authorise the connection in the Banking page in QuickBooks.

Please follow the steps in this article:

https://quickbooks.intuit.com/learn-support/en-uk/bank-connectivity/how-to-re-authorise-your-bank-connection/00/697512