Sign in with Microsoft
Sign in or create an account.
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.


Assume that you run DBCC CHECKDB or DBCC CHECKTABLE against a database or a table that contains a columnstore index, and the columnstore index contains both positive and negative zero values. In this situation, the DBCC query may return false positives for data corruption. Additionally, when you rebuild the columnstore index, an assertion failure may occur.


Service pack information

This issue was first fixed in the following Service Pack for SQL Server.

Service Pack 2 for SQL Server 2014

SQL Server 2016 Service Pack 1

About Service packs for SQL Server

Service packs are cumulative. Each new service pack contains all the fixes that are in previous service packs, together with any new fixes. Our recommendation is to apply the latest service pack and the latest cumulative update for that service pack. You don't have to install a previous service pack before you install the latest service pack. Use Table 1 in the following article for finding more information about the latest service pack and latest cumulative update.

How to determine the version, edition and update level of SQL Server and its components?

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Was this information helpful?

What affected your experience?
By pressing submit, your feedback will be used to improve Microsoft products and services. Your IT admin will be able to collect this data. Privacy Statement.

Thank you for your feedback!