Hi there, rwatkinsf, Valindia, and gressgardens,

Let me share information about connecting Barclays Bank account in QuickBooks Online (QBO).

We have received reports from other users getting the same challenges upon connecting Barclays Bank account.

We have already submitted a ticket about this issue in which our Banking team is currently working on a resolution.

In line with this, I invite you contacting our QuickBooks Customer Care support. They can add you to our notification list so you can stay updated. We’ll email you once more information becomes available.
Here’s how to reach them:

1. Click this link https://help.quickbooks.intuit.com/en_GB/contact.
2. Choose the QuickBooks Product.
3. On the Contact Us page, select a topic.
4. Click on Get Phone Number button to see the support number.

I appreciate your patience as we are working toward a resolution. If there's anything else you need help with, please let me know. Have a great day!