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FIX: An access violation occurs intermittently when you run a query against a table that has a columnstore index in SQL Server 2012Article ID: 2711683 On This PageSymptomsConsider the following scenario. You run a query against a table that has a columnstore index in Microsoft SQL Server 2012. A query execution plan uses a parallelism operator when the query runs. In this scenario, an access violation occurs intermittently. ResolutionCumulative update informationSQL Server 2012The fix for this issue was first released in Cumulative Update 2 for SQL Server 2012. For more information about this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:2703275 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 fix release. Microsoft recommends 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:
(http://support.microsoft.com/kb/2703275/LN/
)
Cumulative update package 2 for SQL Server 20122692828 You must apply a SQL Server 2012 hotfix to an installation of SQL Server 2012.
(http://support.microsoft.com/kb/2692828/LN/
)
The SQL Server 2012 builds that were released after SQL Server 2012 was released Hotfix informationA supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix. Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: http://support.microsoft.com/contactus/?ws=support Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
(http://support.microsoft.com/contactus/?ws=support)
PrerequisitesTo apply this hotfix, you must have SQL Server 2012 installed.Restart informationYou do not have to restart the computer after you apply this hotfix.Registry informationYou do not have to change the registry after you apply this hotfix.Hotfix replacement informationThis hotfix does not replace any other hotfixes.File informationThe global version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.Collapse this table
StatusMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
WorkaroundTo work around this issue, use one of the following methods:
PropertiesArticle ID: 2711683 - Last Review: November 21, 2012 - Revision: 3.1
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