Starting today, the integration activation token no longer expires after 30 mins. The connection between the 2 systems will remain as long as you will see the status as “Active”. IF the status is not active, please go to Xero > Settings > Connected Apps > Click on the 3 dots next to Archdesk > Disconnect. Then go inside Archdesk and Activate the connection

You can read more about the Xero integration in the instructions HERE.