KB4055735 - FIX: DBCC CHECKDB returns consistency errors if SOUNDEX function is used in PERSISTED computed columns in SQL Server

SQL Server 2014 Developer - duplicate (do not use) SQL Server 2014 Enterprise - duplicate (do not use) SQL Server 2014 Enterprise Core - duplicate (do not use) SQL Server 2014 Standard - duplicate (do not use) SQL Server 2014 Service Pack 2 - duplicate (do not use) SQL Server 2017 Developer on Windows SQL Server 2017 Enterprise on Windows SQL Server 2017 Enterprise Core on Windows SQL Server 2017 Standard on Windows SQL Server 2016 Service Pack 1 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) More...Less

Symptoms

Consider the following scenario:

You use a database at compatibility level 100 in Microsoft SQL Server.
You have a table in the database that contains a PERSISTED computed column.
The PERSISTED computed column uses the SOUNDEX function.

In this scenario, if you run the DBCC CHECKDB command on the database, you may receive consistency errors for rows in the table.

Resolution

This issue is fixed in the following cumulative updates for SQL Server:

Cumulative Update 3 for SQL Server 2017

Cumulative Update 7 for SQL Server 2016 SP1

Cumulative Update 9 for SQL Server 2014 SP2

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 2017

Latest cumulative update for SQL Server 2016

Latest cumulative update for SQL Server 2014

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

Learn about the terminologythat Microsoft uses to describe software updates.