July 2021 CU for SharePoint 2013 product family is available for download

The product group released the July 2021 Cumulative Update for the SharePoint 2013 product family.

For July 2021 CU we have full server packages (also known as Uber packages) for all products. No other CU is required to fully patch SharePoint.

As this is a common question: Yes, July 2021 CU includes all fixes from July 2021 PU.


Be aware that all Updates for SharePoint 2013 require SharePoint Server 2013 SP1 to be installed first.

Please also have a look at the article that discusses how to properly patch a SharePoint 2013 farm which has Search enabled (see below).

Previous releases of the SharePoint Server 2013 cumulative update included both the executable and the .CAB file in the same self-extracting executable download. Because of the file size, the SharePoint Server 2013 package has been divided into several separate downloads. One contains the executable file, while the others contain the CAB file. All are necessary and must be placed in the same folder to successfully install the update. All are available by clicking the same Hotfix Download Available link in the KB article for the release.

This CU includes all SharePoint 2013 fixes (including all SharePoint 2013 security fixes) released since SP1. The CU does not include SP1. You need to install SP1 before installing this CU.

The KB articles for July 2021 CU should be available at the following locations in a couple of hours:

  • KB 5001987 – SharePoint Foundation 2013 July 2021 CU
  • KB 5001989 – SharePoint Server 2013 July 2021 CU
  • KB 5001988 – Project Server 2013 July 2021 CU
  • KB 5001986 – Office Web Apps Server 2013 July 2021 CU

The Full Server Packages for July 2021 CU are available through the following links:

After installing the fixes you need to run the SharePoint 2013 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.

Be aware that the SharePoint Server 2013 CU contains the SharePoint Foundation 2013 CU. And the Project Server 2013 CU also contains the SharePoint Server 2013 CU and SharePoint Foundation 2013 CU.

Please ensure to have a look at the SharePoint Patching Best Practices before applying new fixes.

Related Info:


  1. Hello Stefan,

    I am planning to apply this update on my production environment next month, I was reading the details of this update and I found the following lines:

    Existing workflows might stop functioning in Microsoft SharePoint 2010 workflows after you install this security update for SharePoint Server. Additionally, “c42q8,” “c42ra,” or “c42rh” event tags are logged in the SharePoint Unified Logging System (ULS) log. For more information, see KB 5004862.

    I think I should be worried of installing this update as it may result in breaking my SharePoint 2010 workflows.

    the link where I found the lines above is here:


    Thank you


    1. Hi Osamah,
      if you are using SP2010 workflows ensure to read the info in KB 5004862:
      It contains detailed information about what to do if this happens, how to temporarily disable the security check while you are sorting out the issue.
      In addition we recommend to ALWAYS evaluate SharePoint fix in a test environment which resembles the production system before applying in production against all business critical functions.


  2. Hi Stefan,

    We are receiving the following error after the Product Configuration Wizard on our TEST environment.

    “Task upgrade has failed with a PostSetupConfigurationTaskException An exception of type Microsoft.SharePoint.PostSetupConfiguration.PostSetupConfigurationTaskException was thrown”

    I could much information about this.

    The only change we made recently was converting the SP 2013 SQL from 2 nodes to a single instance. I used the cliconfig to add an alias and everything seemed alright. We have been using our TEST environment for over a month now without issues until the patching.

    The CU went through okay on the DEV environment.

    Any sugegstions please?

    Thank you,


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