Hi again, Just to add that setting serviceReference.InnerChannel.OperationTimeout = TimeSpan.FromMinutes(1); in the code does not help, too. -- View this message in context: http://mono.1490590.n4.nabble.com/WCF-client-unexpected-timeout-tp2217370p2217375.html Sent from the Mono - General mailing list archive at Nabble.com.