January 2019 CU for SharePoint Server 2016 is available for download


The product group released the January 2019 Cumulative Update for SharePoint Server 2016 product family. Be aware that only a language independent fix was released with January 2019 CU. The latest language dependent fix was released with October 2018 CU.

This CU also includes Feature Pack 1 which was released with December 2016 CU and Feature Pack 2 which was released with September 2017 CU.

The KB articles for January 2019 CU are available at the following location:

  • KB 4461598 - January 2019 Update for SharePoint Server 2016 (language independent) - This is also a security update!
  • There was no language dependent fix released for SharePoint 2016 in January.
  • There was no fix released for Office Online Server 2016 in January.

The download for January 2019 CU is available through the following link:

Important: It is required to install both fixes (language dependent and independent) to fully patch a SharePoint server. This applies also to servers which do not have language packs installed. The reason is that each SharePoint installation includes a language dependent component together with a language independent component. If additional language packs are added later (only) the language dependent fix has to be applied again.

It is irrelevant which language you pick on the drop down in download center. Even the language dependent fixes are all in the same package for all languages.

After installing the fixes you need to run the SharePoint 2016 Products Configuration Wizard on each machine in the farm. If you prefer to run the command line version psconfig.exe ensure to have a look here for the correct options.

SharePoint 2016 January 2019 CU Build Numbers:

Language independent fix: 16.0.4795.1001

To understand the different version numbers please have a look at my article which explains the different SharePoint build numbers.

You can use the SharePoint Server 2016 Patch Build Numbers Powershell Module to identify the patch level of all SharePoint components.

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