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.


This article describes an on-demand hotfix update package for Microsoft SQL Server 2016 Service Pack 2 (SP2) Cumulative Update 4 (CU4). This update contains hotfixes for issues that were fixed after the release of SQL Server 2016 SP2. To apply this hotfix package, you must have SQL Server 2016 installed on your computer.

Note The build number of the hotfix update package is 13.0.5239.0.

Hotfixes that are included in this hotfix update package

Microsoft Knowledge Base articles that discuss these hotfixes will be released as they become available.

For more information about the SQL Server issues, see the following articles in the Microsoft Knowledge Base.

VSTS bug number

KB article number




FIX: I/O error on a BPE file causes buffer time-out in SQL Server



Snapshot Isolation and Savepoint support added for Availability Group databases on the same instance with DTC enabled in SQL Server



FIX: Possible assertion failure when a cross-database transaction involving an Availability Group database is committed from a SQL Server trigger


Hotfix Information

Hotfix for SQL Server 2016 SP2 CU4

An on-demand hotfix update is available. We recommend customers impacted by the issue(s) called out in this article to apply this update.

        Download the on-demand hotfix for SQL2016SP2CU4OD now.

Hotfix update package information

Restart information

You may have to restart the computer after you apply this hotfix update.

Registry information

To use one of the hotfixes in this package, you don't have to make any changes to the registry.

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!