When you do a bulk copy operation on double-byte character set (DBCS) by using Microsoft Open Database Connectivity (ODBC) Driver 11 in Microsoft SQL Server 2014, the bulk copy operation fails, and you receive the following error message:
String data, right truncation
The issue was first fixed in the following cumulative update of SQL Server.
Cumulative Update 4 for SQL Server 2014 /en-us/help/2999197
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.