Microsoft distributes Microsoft SQL Server 2012 fixes as one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2012 fix release.
Consider the following scenario:
You enable the following settings in SQL Server Configuration Manager for an instance of Microsoft SQL Server 2012:
Enable FILESTREAM for Transact-SQL access
Enable FILESTREAM for file I/O streaming access
You create a FILESTREAM filegroup and a table that contains a FILESTREAM column.
You run an application that uses the file stream I/O.
In this scenario, the instance of SQL Server may end unexpectedly under high stress conditions. Additionally, you receive an error message that resembles the following:
SQL Server terminated unexpectedly
This problem occurs because, under rare conditions, accessing the table by using the I/O streaming access path (UNC) could lead to a race condition between the file stream driver and the instance of SQL Server.
SQL Server 2012
The fix for this issue was first released in Cumulative Update 2 for SQL Server 2012. For more information about how to obtain this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:
2703275 Cumulative update package 2 for SQL Server 2012Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2012 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2692828 The SQL Server 2012 builds that were released after SQL Server 2012 was released
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about how to enable FILESTREAM data, go to the following Microsoft Developer Network (MSDN) website:
Enable and Configure FILESTREAMFor more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates