Symptoms
Assume that you use Microsoft SQL Server 2014 Management Studio (SSMS), and connect to the latest Azure SQL Database V12 that supports change tracking. When you try to enable the change tracking for a table or database in SSMS, the change tracking is not enabled as it should be.
Resolution
Cumulative Update information
The issue was first fixed in the following cumulative update of SQL Server.
Cumulative Update 1 for SQL Server 2014 SP1 /en-us/help/3067839
Cumulative Update 6 for SQL Server 2014 /en-us/help/3031047
Recommendation: Install the latest cumulative update for SQL Server
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. We recommend that you download and install the latest 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.