SQL Server 2016 Service Pack 2 SP2 CU9 release

October 1st, 2019 by Stephen Jones Leave a reply »

Cumulative Update package 9 (CU9) (build number: 13.0.5470.0) for Microsoft SQL Server 2016 Service Pack 2 SP2 is now aavilablefor download. (It contains fixes that were released after the initial release of SQL Server 2016 SP2.)
SQL Server CUs are certified to the same levels as Service Packs, and should be installed at the same level of confidence. Historical data shows that a significant number of support cases involve an issue that has already been addressed in a released CU.

The CU provides the following fixes and improvements (Referenced from https://support.microsoft.com/en-us/help/4100997/cumulative-update-9-for-sql-server-2016-sp1)

KB4099472 – PFS page round robin algorithm improvement in SQL Server 2016 SQL service
KB4133164 – FIX: Error when a SQL Server Agent job executes a PowerShell command to enumerate permissions of the database Management Tools
KB4086173 – FIX: Access violation occurs when executing a DAX query on a tabular model in SQL Server Analysis Services Analysis Services
KB4131193 – Performance issues occur in the form of PAGELATCH_EX and PAGELATCH_SH waits in TempDB when you use SQL Server 2016 SQL service
KB3028216 – FIX: A crash occurs when proactive caching is triggered for a dimension in SSAS Analysis Services
KB4135113 – FIX: Change tracking record is inconsistent during an update on a table which has a cluster/unique index in SQL Server SQL service
KB4293839 – FIX: TDE database goes offline during log flush operations when connectivity issues cause the EKM provider to become inaccessible in SQL Server SQL security
KB4230730 – FIX: A dead latch condition occurs when you perform an online index rebuild or execute a merge command in SQL Server SQL service
KB4163478 – FIX: An access violation occurs when incremental statistics are automatically updated on a table in SQL Server SQL performance
KB4230306 – FIX: Restore of a TDE compressed backup is unsuccessful when using the VDI client SQL service
KB4163087 – FIX: Performance is slow for an Always On AG when you process a read query in SQL Server SQL service
KB4164562 – FIX: Wrong user name appears when two users log on to MDS at different times in SQL Server Data Quality Services (DQS)
KB4094893 – FIX: Database cannot be dropped after its storage is disconnected and reconnected in SQL Server SQL service
KB4162814 – FIX: An internal exception access violation occurs and the SSAS server stops responding Analysis Services
KB4134541 – FIX: Error in the MDS Add-in for Excel when you use the German version of Excel in SQL Server Data Quality Services (DQS)
KB4132267 – FIX: Deploying a SSAS project in SSDT is frequently unsuccessful in SQL Server Analysis Services in Tabular mode Analysis Services
KB4101554 – FIX: Parallel redo in a secondary replica of an availability group that contains heap tables generates a runtime assert dump or the SQL Server crashes with an access violation error High Availability
KB4098762 – FIX: Hidden parameters are included in reports when the Browser role is used in SSRS 2016 Reporting Services
KB4134175 – FIX: Processing a cube with many partitions generates lots of concurrent data source connections in SSAS Analysis Services
KB4091245 – FIX: Access violation occurs when you query a table with an integer column in SQL Server 2017 and SQL Server 2016 SQL performance
KB4094706 – FIX: One worker thread seems to hang after another worker thread is aborted when you run a parallel query in SQL Server SQL service
KB4058175 – FIX: TDE enabled database backup and restore operations are slow when the encryption key is stored in an EKM provider in SQL Server SQL service
KB4131960 – FIX: An access violation occurs when you execute a nested select query against a columnstore index in SQL Server SQL Engine
KB4094858 – FIX: “An unexpected error occurred” when you use DAX measures in Power BI table visualizations in SQL Server Analysis Services
KB4101502 – FIX: TDE enabled database backup with compression causes database corruption in SQL Server 2016 SQL service

CUs also often include supportability, manageability, and reliability updates.

Before udpate:

- Check compaitbiltiy with your application.
- Test CUs before you deploy to production environments.

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