>I am not sure if this is a .NET error or a SQL Server error. It happened when three connections were trying to access a Web Service. > >System.InvalidOperationException: Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached. > >Anyone would know more about it? If yes, do you have any recommendation on how to avoid it?