まだ対応してない?
using System; using System.Data.SqlClient; using System.Transactions; namespace ConsoleApp3 { class Program { static void Main(string[] args) { var connstr = @"~"; using (var tran = new TransactionScope()) using (var conn = new SqlConnection(connstr)) { conn.Open(); // 例外発生! } } } }
System.NotSupportedException: 'Enlisting in Ambient transactions is not supported.'