Cumulative Update 15 (CU15) for Microsoft SQL Server 2012 Service Pack 2 (SP2) was also released as a SQL Server Security Bulletin on 11/8/2016, KB3194725. See MS16-136 for more information. Because of this, you may already have CU15 installed as part of that security bulletin release and installation of this CU is unnecessary. If you do try to install CU15 after MS16-136, you may receive the following message:
There are no SQL Server instances or shared features that can be updated on this computer.
Note This message indicates that CU15 is already installed and no further action is required.Note The package name for CU15, "SQLServer2012-KB3194725-<x86/x64>.exe", contains the MS16-136 KB number (3194725), not the CU15 KB number, (3205416). This can be ignored as a single package services both release channels.
This article describes cumulative update package 15 (build number: 11.0.5676.0) for SQL Server 2012 SP2. This update contains fixes that were released after the release of SQL Server 2012 SP2.Notes
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Cumulative updates are now available at the Microsoft Download Center.
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Only the most recent cumulative update that was released for SQL Server 2012 SP2 is available at the Download Center.
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All fixes that are described in this article will be included in all future SQL Server 2012 SP2 cumulative updates.
How to obtain this cumulative update package
The following update is available from the Microsoft Download Center:
Download the latest cumulative update package for Microsoft SQL Server 2012 SP2 now.
Note After future CUs are released for SQL Server 2012 Service Pack 2, this CU can be downloaded from the Microsoft Windows Update Catalog. However, we recommend that you install the latest CU that's available.If the download page doesn't appear, contact Microsoft Customer Service and Support to obtain the cumulative update package.The Microsoft SQL Server 2012 Integration Services Attunity Oracle CDC Designer/Service Feature Pack is a stand-alone package which provides additional value for SQL Server Integration Services (SSIS). 
Hotfixes that are included in this cumulative update package
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VSTS bug number |
KB article number |
Description |
Fix area |
|---|---|---|---|
|
8380297 |
3173471 |
SQL service |
Notes for this update
Cumulative update
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We recommend that you test hotfixes before you deploy them in a production environment.
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We recommend that you apply the most recent update release.
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This cumulative package is intended to correct only the problems that are described in this article. Apply it only to systems that are experiencing these specific problems.
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The most recent update release contains all the hotfixes and all the updates that were included with the previous SQL Server 2012 update release.
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We recommend that you upgrade your SQL Server to the latest SQL Server 2012 service pack.
Hybrid environments deployment
When you deploy the hotfixes to a hybrid environment (Such as AlwaysOn, replication, cluster, and mirroring), we recommend that you refer to the following articles before you deploy them:
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SQL Server failover cluster rolling update and service pack process.Note If you don't want to use the rolling update process, follow these steps in order to apply a CU or SP:
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Install the service pack on the passive node.
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Install the service pack on the active node. (This step requests service restart.)
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Upgrade and update of availability group servers that use minimal downtime and data loss.Note If you enabled AlwaysOn with SSISDB catalog for additional considerations about how to apply a CU or SP in these environments, see the information about SSIS with AlwaysOn.
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How to apply a hotfix for SQL Server in a transactional replication and database mirroring topology
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How to apply a hotfix for SQL Server in a replication topology
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SQL Server hotfixes are now multilingual. Therefore, this cumulative update package isn't specific to one language. It applies to all supported languages.
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The "Hotfix Download Available" form displays the languages for which the update package is available. If you don't see your language, that's because a cumulative update package isn't available for that language.
One cumulative update package includes all the component packages. However, the cumulative update package updates only those components that are installed on the system.
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 to issues that don't qualify for this specific cumulative update package. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, go to the Microsoft support website.
To do this, follow these steps:
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In Control Panel, select Add or Remove Programs.Note If you are running Windows 7 or a later version, select Programs and Features in Control Panel.
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Locate the entry that corresponds to this cumulative update package.
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Press and hold (or right-click) the entry, and then select Uninstall.
Cumulative update package information
PrerequisitesTo apply this cumulative update package, you must be running SQL Server 2012 SP2.
Restart information You may have to restart the computer after you apply this cumulative update package.
Registry information To use one of the hotfixes in this package, you don't have to make any changes to the registry.
This cumulative update package may not contain all the files that you must have to fully update a product to the latest build. This package contains only the files that you must have to correct the issues that are listed in this article. The English version of this package 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 theTime Zone tab in theDate and Time item in Control Panel.
References
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Announcing updates to the SQL Server Incremental Servicing Model (ISM)
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The script to determine which version and edition of SQL Server Database Engine is running
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The Incremental Servicing Model for SQL Server to deliver hotfixes for reported problems.
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Naming schema for Microsoft SQL Server software update packages.
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Description of the standard terminology that is used to describe Microsoft software updates.
