An error occurs when you use ODBC driver to retrieve sql_variant data in SQL Server 2014 or 2016

Applies to: SQL Server 2014 DeveloperSQL Server 2014 DeveloperSQL Server 2014 Enterprise More

Symptoms


Assume that you connect to an instance of SQL Server 2014 or 2016 by using Microsoft ODBC Driver 11 for SQL Server. When you execute a query that retrieves data of the sql_variant data type, you may receive an error message that resembles the following:
An error encountered: SQLState = HY000, NativeError: 0, ErrorMessage: [Microsoft][ODBC Driver 11 for SQL Server]Protocol error in TDS stream

Resolution


This problem was fixed in the following cumulative updates for SQL Server:
About cumulative updates for SQL Server

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References


Learn about the terminology Microsoft uses to describe software updates.