I have got a client computer receiving an informational Event ID of 27 originating from Outlook. All the information event is saying that "The Operation Failed".
Client computer is running Windows XP SP2 with Office 2003 SP2. When outlook fires up for the first time it will send and receive correctly. Eventually send and receive will not send and receive. Emails are in outbox in Outlook with emails on the mail server.
This is a home user who has been on holidays and the computer has been off for over a month with no changes