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Migrating Custom Solutions from SharePoint 2013 to 2019

Sajith Gopalakrishnan Hema 1,056 Reputation points
2021-08-25T11:10:19.323+00:00

The requirement is to migrate Custom Solutions (wsp) deployed globally and to the web application from SharePoint 2013 to 2019. If we download the deployed wsp from SharePoint 2013 and redeployed to SharePoint 2016, then redeployed to SharePoint 2019 Farm (having two servers), will it work ? or do we have to auto upgrade the solution version from 2013 to 2016, 2019 using visual studio.

If Visual Studio required, what are the versions and tools required to redeploy to SharePoint 2016 and 2019 ?

Microsoft 365 and Office SharePoint Server Development
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  1. Yi Lu_MSFT 17,611 Reputation points
    2021-08-26T07:48:15.65+00:00

    Hi @Sajith Gopalakrishnan Hema
    You need to upgrade the solution version using visual studio 2019.

    1.Install Visual Studio 2019 and Office Developer Tools for Visual Studio 2019.
    2.Open your solutions using VS, The VS would upgrade your solutions automatically.
    Otherwise, you have to remove all SharePoint.dll references and re-add them again.
    3.Finally, build and deploy your solutions.

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