Updates for SharePoint Server 2019 (April 2023 CU)

16.4.2023    |    komentáře   komentářů: 0

A new cumulative update (April 2023 CU) has been released for SharePoint Server 2019.

SP Build:
16.0.10397.20002 (Language independent CU)

SharePoint 2019 CU – KB articles describing the CU:

  • KB 5002373 – April 2023 Update for SharePoint Server 2019 (language independent)
  • No new language-dependent package was released for this CU. Use the latest available language CU: KB 5002357 (March 2023 CU).

SharePoint Server 2019 CU – CU download links:

After installation, remember to run the SharePoint 2019 Products Configuration Wizard or the following command:

PSConfig.exe -cmd upgrade -inplace b2b -wait -cmd applicationcontent -install -cmd installfeatures -cmd secureresources -cmd services -install

Important notes

Always install both packages in this order:

  1. language independent components (core CU for this release)
  2. language-dependent components (latest available language CU: KB 5002357, March 2023 CU)

For language-dependent packages, the language you select does not matter because each package contains updates for all languages.

If you install a new language pack on a SharePoint Server 2019 farm, you must reinstall the language-dependent update afterwards.

Remember to keep Distributed Cache updated as well as SharePoint. See How to update Distributed Cache correctly (in Czech).

Note for this CU:

KB 5002373 requires the release version of SharePoint Server 2019 to be installed.

Included fixes and improvements

The following overview summarizes the fixes and improvements in this CU based on the official Microsoft KB articles.

SharePoint Server 2019

KB 5002373 addresses spoofing in SharePoint Server. See CVE-2023-28288.

The language-independent package KB 5002373 includes the following SharePoint Server 2019 improvement and fixes:

  • Ensures that the SharePoint farm service account belongs to the database owner group for the subscription settings service application database.

  • Fixes an issue where duplicate users in Active Directory Domain Services (AD DS) cause incoming email to fail.

  • Fixes an issue where blocked file extensions trigger errors when folders or subsites are created or accessed.

  • Fixes an issue where uploading files to a shared My Site folder leaves the OneDrive Next Generation Sync Client stuck at Sync pending.

  • Fixes an issue where, with multiple external lists, display forms show items from only one list. After the fix, items can appear in all of the forms.

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