About once a day I was getting the following error from an ASP.Net web page that uses ActiveRecord: Exception Details: System.Data.SqlClient.SqlEx... A transport-level error has occurred when sending the request to the server. (provider: TCP Provider, error: 0 - An existing connection was forcibly closed by the remote host.) I would subsequently get this error upon refreshing the page: Exception Details: System.InvalidOperationExce... ExecuteReader requires an open and available Connection. ......