Hi Everyone,

SQL Server 2012 SP1 CU6 was released on September 16, 2013. You can get more information from the KB listed below.

2874879  Cumulative update package 6 for SQL Server 2012 SP1

For the issues that fix in this CU, please refer to the below table:

VSTS bug number

KB article number

Description

1222472

2827857

(http://support.microsoft.com/kb/2827857/ )

DTA does not work on SQL Server 2012 instance that uses a supplementary character collation

1293680

2847735

(http://support.microsoft.com/kb/2847735/ )

FIX: "A PivotTable, cube function or slicer using connection <conn> had failed to refresh" error when you update data in an Excel workbook that is sourced from a perspective in SSAS 2012

1396889

2859713

(http://support.microsoft.com/kb/2859713/ )

FIX: "The decryption key is incorrect" error when you open a symmetric key that is encrypted by an asymmetric key in SQL Server 2008, SQL Server 2012 or SQL Server 2008 R2

1347148

2860446

(http://support.microsoft.com/kb/2860446/ )

FIX: An unexpected error occurs in function 'XMCompressionAnalyzer::SelectBitPackCompression' when you perform a Process command against a partitioned table in SSAS 2012

1366483

2864111

(http://support.microsoft.com/kb/2864111/ )

FIX: It takes longer than expected to cancel an MDX query that contains many GROUP BY clauses in SSAS 2012

1382357

2872854

(http://support.microsoft.com/kb/2872854/ )

FIX: Error 14420 when you enable Log Shipping on databases that are in an AlwaysOn availability group in SQL Server 2012

1405603

2872946

(http://support.microsoft.com/kb/2872946/ )

FIX: CPU spinning occurs when you use Power View to run a DAX query against a Multidimensional model in SSAS 2012

1384027

2873474

(http://support.microsoft.com/kb/2873474/ )

FIX: Error "Column '<column name>' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause" when you run a query in SQL Server 2012

1416030

2874875

(http://support.microsoft.com/kb/2874875/ )

FIX: Dependent DBA member data is not updated when you use entity-based staging in MDS in SQL Server 2012

1377755

2874957

(http://support.microsoft.com/kb/2874957/ )

FIX: Scheduled data refresh disabled after you make some modifications to the PowerPivot workbook in SharePoint 2013 that interacts with SSAS 2012

1362520

2875158

(http://support.microsoft.com/kb/2875158/ )

FIX: Inconsistent data order when you copy data from a PowerPivot worksheet to an Excel worksheet

1428610

2876733

(http://support.microsoft.com/kb/2876733/ )

FIX: Slow performance on SQL Server 2012 linked server when you update the data together with different collation on the remote server

1428782

2876882

(http://support.microsoft.com/kb/2876882/ )

FIX: "Internal error: An unexpected error occurred" when you run a Process command against the TFS SSAS cube

1457677

2877100

(http://support.microsoft.com/kb/2877100/ )

FIX: A memory leak occurs when you enable AlwaysOn Availability Groups or SQL Server failover cluster in Microsoft SQL Server 2012

1435963

2877857

(http://support.microsoft.com/kb/2877857/ )

FIX: "The OLE DB provider '<ProviderName>' provided invalid collation" when you execute distributed queries through a linked server in SQL Server 2012 SP1

1436162

2878139

(http://support.microsoft.com/kb/2878139/ )

FIX: "Using 'dbghelp.dll' version '4.0.5'" error is logged in SQL Server 2012 when a statement or job executes the sys.fn_xe_file_target_read_file stored procedure

1403970

2878975

(http://support.microsoft.com/kb/2878975/ )

FIX: Access violation when you run a query that uses the "change_tracking_current_version()" function in SQL Server 2012

1402400

2879619

(http://support.microsoft.com/kb/2879619/ )

FIX: Date data is incorrect when you export an SSRS report that references a date that is earlier than March 1, 1900 as an Excel worksheet

1428185

2880071

(http://support.microsoft.com/kb/2880071/ )

FIX: Error messages when you perform ProcessRecalc operation after the ProcessData operation on an SSAS 2012 tabular model

1328807

2880094

(http://support.microsoft.com/kb/2880094/ )

FIX: Grand total or subtotal rows display incorrect result in a Power View report that runs against a multidimensional cube in SSAS 2012

1402434

2884124

(http://support.microsoft.com/kb/2884124/ )

FIX: "Type mismatch" error when you run an MDX query that uses the Member.Name property against an SSAS 2012 database

1387645

2884126

(http://support.microsoft.com/kb/2884126/ )

FIX: "RESTORE DATABASE is terminating abnormally" error when you restore the secondary database in SQL Server 2012

21593

2886673

(http://support.microsoft.com/kb/2886673/ )

FIX: Incorrect returned value when you run an MDX query that contains a filter on a parent/child dimension in SSAS 2012

For more information on SQL CU version, please refer to the following link:

http://blogs.technet.com/b/hot/archive/2012/09/29/sql-cu-version-information.aspx