Install CU September 2019 on SharePoint Server 2019

September ends….. and the SharePoint CU cannot be missing.

SharePoint Server 2019 is patched with a language dependent and independent fix.

The next KB article is available for download:

  • KB 4475596 – September 2019 (language independent)
  • KB 4464557 – September 2019 (language dependent)

In this CU is important to install both fixes (language dependent & independent) to fully patch a SharePoint On-Premises.

All the packages are the same language, no matter which language you pick on the download center.

Let’s do it!! Take a look at the actual version of SharePoint Server.

Installation Process

Remember, first, backup, backup & backup!!

Is take a couple minutes to complete this task.

Execute the CU file.

Review the license terms…… and if you accept, click Continue.

The patience is a virtue.

With this package is not necessary to restart the server, so, continue with the next CU file.

Accept the terms, and click Continue.

Wait a moment please…. come back with a lot of security features.

With this CU file, is necessary to restart the server.


Execute the next command.

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

Be patient please!!


Let’s verify if the update is really applied.

No errors, awesome.

And finally, navigate to your SharePoint sites.


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