FIX: Data loss when you export Windows Azure SQL Database to a data-tier application .bacpac package

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Article ID: 2780716 - View products that this article applies to.
Microsoft distributes Microsoft SQL Server 20012 Service Pack 1 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 20012 Service Pack 1 fix release.
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Symptoms

Assume that you export Windows Azure SQL Database to a data-tier application (DAC) .bacpac package, and the connection to the database is throttled. In this situation, the database may experience data loss.

Note The export process seems to succeed. However, the DAC package does not contain all records from the database.

Resolution

Cumulative update information

Cumulative update package 1 for SQL Server 2012 Service Pack 1

The fix for this issue was first released in Cumulative Update 1. For more information about how to obtain this cumulative update package for SQL Server 2012 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:
2765331 Cumulative update package 1 for SQL Server 2012 Service Pack 1
Note 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 Service Pack 1 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:
2772858 The SQL Server 2012 builds that were released after SQL Server 2012 Service Pack 1 was released

Status

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

More information

For more information about data-tier applications, go to the following MSDN website:
General information about data-tier applications
For more information the Incremental Servicing Model for SQL Server, click the following article number to view the article in the Microsoft Knowledge Base:
935897 An Incremental Servicing Model is available from the SQL Server team to deliver hotfixes for reported problems
For more information about the naming schema for SQL Server updates, click the following article number to view the article in the Microsoft Knowledge Base:
822499 Naming schema for Microsoft SQL Server software update packages
For 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

Properties

Article ID: 2780716 - Last Review: November 20, 2012 - Revision: 2.0
Applies to
  • Microsoft SQL Server 2012 Service Pack 1, when used with:
    • Microsoft SQL Server 2012 Enterprise
    • Microsoft SQL Server 2012 Developer
    • Microsoft SQL Server 2012 Standard
Keywords: 
kbqfe kbfix kbsurveynew kbexpertiseadvanced KB2780716

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