SharePoint 2013 CU Update

Khushi Shaikh 86 Reputation points

Hello SP Gurus - We have 15.0.4420.1017 version of SharePoint 2013 server. When User Profile synchronization has stopped working, found out we need to install April 2014 Cumulative Update. I can't find this CU. How should I update SharePoint 2013 Server?

Any guidance much appreciated.

Thanks & Regards,

SharePoint Server Management
SharePoint Server Management
SharePoint Server: A family of Microsoft on-premises document management and storage systems.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Emily Du-MSFT 43,086 Reputation points Microsoft Vendor

    @Khushi Shaikh
    You should install the latest CU. To apply the latest CU, you must have Microsoft SharePoint Server 2013 Service Pack 1 installed.

    February 9, 2021, cumulative update for SharePoint Enterprise Server 2013 (KB4493209)

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  1. Trevor Seward 11,691 Reputation points

    You should install Service Pack 1 and then deploy the February 2021 CU. I have a list of them at

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