In the .NET Framework 4.6 and 4.6.1, attempting a TCP/IP connection to a SQL Server database that resolves to localhost fails with the error, "A network-related or ...
4.1 Sql ServerのTCP/IPの設定 SSMSで接続して、セキュリティからログインを新規作成する ログイン名 SQLServer認証、パスワード ...
OK, for some reason, I can't connect to my local SQL Server instance through localhost. Local isn't an option when connecting through Query Analyzer ...