500 server error and application pool crashes after September 2023 CU for SharePoint:

How can this be resolved?

As a workaround(!) the SharePoint AMSI integration can be disabled for each affected web application using the following PowerShell command:

Disable-SPFeature -Identity 4cf046f3-38c7-495f-a7da-a1292d32e8e9 -Url http://url-to-webapp

I hope the above information will help you to resolve the issue, in case of any queries/questions regarding the above mentioned information then please let me know. I would be more than happy to help you as well as resolves your issues, Thank you.

September 2023 CU for SharePoint Server 2016 is available for download:

The product group released the September 2023 Cumulative Update for SharePoint Server 2016 product family.

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 September 2023 CU should be available at the following locations in a couple of hours:

• KB 5002494 – September 2023 Update for SharePoint Server 2016 (language independent)
  This is also a security update!
• KB 5002501 – September 2023 Update for SharePoint Server 2016 (language dependent)
  This is also a security update!

The downloads for September 2023 CU are available through the following links:

• Download September 2023 Update for SharePoint Server 2016 (language independent)
  This is also a security update!
• Download September 2023 Update for SharePoint Server 2016 (language dependent)
  This is also a security update!

SharePoint 2016 September 2023 CU Build Numbers:

Language independent fix: 16.0.5413.1001
Language dependent fix: 16.0.5413.1000

    

I hope the above information will help you to resolve the issue, in case of any queries/questions regarding the above mentioned information then please let me know. I would be more than happy to help you as well as resolves your issues, Thank you.

September 2023 CU for SharePoint Server 2019 is available for download

September 2023 CU for SharePoint Server 2019 is available for download:

The KB article for September 2023 CU will be available at the following Location in a couple of hours:

• KB 5002472 – September 2023 Update for SharePoint Server 2019 (language independent)
  This is also a security update!
• KB 5002471 – September 2023 Update for SharePoint Server 2019 (language dependent)

The downloads for September 2023 CU are available through the following links:

• Download September 2023 Update for SharePoint Server 2019 (language independent)
  This is also a security update!
• Download September 2023 Update for SharePoint Server 2019 (language dependent)

SharePoint 2019 September 2023 CU Build Number:

Language independent fix: 16.0.10402.20016
Language independent fix: 16.0.10402.20016

I hope the above information will help you to resolve the issue, in case of any queries/questions regarding the above mentioned information then please let me know. I would be more than happy to help you as well as resolves your issues, Thank you.

March 2023 CU for SharePoint Server 2016:

The product group released the March 2023 Cumulative Update for SharePoint Server 2016 product family.

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 March 2023 CU should be available at the following locations in a couple of hours:

• KB 5002368 – March 2023 Update for SharePoint Server 2016 (language independent)
  This is also a security update!
• There was no language dependent fix released this month.
  The most recent language dependent fix is KB 5002325 from February 2023 CU.

The downloads for March 2023 CU are available through the following links:

• Download March 2023 Update for SharePoint Server 2016 (language independent)
  This is also a security update!
• There was no language dependent fix released this month.
  The most recent language dependent fix is KB 5002325 from February 2023 CU.

SharePoint 2016 March 2023 CU Build Numbers:

Language independent fix: 16.0.5387.1000

I hope the above information will help you to resolve the issue, in case of any queries/questions regarding the above mentioned information then please let me know. I would be more than happy to help you as well as resolves your issues, Thank you.

March 2023 CU for SharePoint Server 2019

March 2023 CU for SharePoint Server 2019 :

The product group released the March 2023 Cumulative Update for SharePoint Server 2019 product family. SharePoint Server 2019 is patched with a language dependent and a language independent fix.

The KB article for March 2023 CU will be available at the following Location in a couple of hours:

• KB 5002358 – March 2023 Update for SharePoint Server 2019 (language independent)
  This is also a security update!
• KB 5002357 – March 2023 Update for SharePoint Server 2019 (language dependent)

The downloads for March 2023 CU are available through the following links:

• Download March 2023 Update for SharePoint Server 2019 (language independent)
  This is also a security update!
• Download March 2023 Update for SharePoint Server 2019 (language dependent)

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 2019 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.

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

SharePoint 2019 March 2023 CU Build Number:

Language independent fix: 16.0.10396.20000
Language dependent fix: 16.0.10396.20000

I hope the above information will help you to resolve the issue, in case of any queries/questions regarding the above mentioned information then please let me know. I would be more than happy to help you as well as resolves your issues, Thank you.