SQL Server 2019 articles, fixes and updates - August 2021

This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft SQL Server 2019 that have been released in August 2021. The list is daily updated.

• 4561725 Improvement: Enables PolyBase Xevent Session in SQL Server 2019 Q4561725 KB4561725 August 31, 2021
• 5005321 FIX: Dropping an index from the view on primary may cause access violation on readable secondary Q5005321 KB5005321 August 4, 2021
• 5004733 FIX: Debug assert when a lock is acquired by the ParNested Transaction and attempts to get logged in sLog for the parent transaction Q5004733 KB5004733 August 4, 2021
• 5004649 FIX: Parallel redo failure on secondary replica in SQL Server 2019 Q5004649 KB5004649 August 4, 2021
• 5004560 FIX: Wrong results during Clustered Columnstore Index alter "index reorganize" in versioned scans in SQL Server 2017 and 2019 Q5004560 KB5004560 August 4, 2021
• 5001045 FIX: Memory grant wait times out when you run many Columnstore bulk inserts concurrently in SQL Server 2017 and 2019 Q5001045 KB5001045 August 4, 2021