Operational Defect Database
BugZero found this defect 1308 days ago.
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Microsoft SQL Server | 13200684
KB4521739 - FIX: Error occurs when CDC capture process tries to insert duplicate key in table "cdc.lsn_time_mapping" in SQL Server 2016, 2017 and 2019 - Microsoft Support
Last update date:
1/11/2023
Affected products:
SQL Server 2016 Service Pack 2
SQL Server 2016 Developer - duplicate (do not use)
SQL Server 2016 Enterprise - duplicate (do not use)
SQL Server 2016 Enterprise Core - duplicate (do not use)
SQL Server 2016 Standard - duplicate (do not use)
SQL Server 2017 on Windows
SQL Server 2017 on Linux
SQL Server 2019 on Windows
SQL Server 2019 on Linux
Affected releases:
build lower than 15.0.4003.23
Fixed releases:
15.0.4003.23
Description:
Symptoms
Assume that Change Data Capture (CDC) is enabled in Microsoft SQL Server 2016, 2017 or 2019. Because of a timing issue, CDC capture process may try to insert duplicate start_lsn in the table cdc.lsn_time_mapping, and you may receive an error message that resembles the following: Violation of PRIMARY KEY constraint 'lsn_time_mapping_clustered_idx'. Cannot insert duplicate key in object 'cdc.lsn_time_mapping'. The duplicate key value is (Value).
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Resolution
This issue is fixed in the following cumulative updates for SQL Server: Cumulative Update 1 for SQL Server 2019 Cumulative Update 18 for SQL Server 2017 Cumulative Update 10 for SQL Server 2016 SP2 Note: For this fix to take effect, you need to enable the Trace Flag (TF) 8291. About cumulative updates for SQL Server: Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server: Latest cumulative update for SQL Server 2019 Latest cumulative update for SQL Server 2017 Latest cumulative update for SQL Server 2016
References
Learn about the terminology that Microsoft uses to describe software updates.
