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JohnPetrutis-1713 asked EmilyDu-MSFT commented

SP 2010 solutions running in 2019 on-prem

Can anyone tell me if SharePoint 2019 can run SharePoint 2010 farm solutions in 2010 mode (v14)?

I am planning an upgrade from SP 2013 (with all sites in 2010 mode) to 2019. I want to keep all of the original 2010 mode sites (and solutions) as-is in 2019 as the move to 2019 is purely to remain supported by Microsoft. The business does not want to upgrade the solutions for compliance and lifecycle reasons.

The Social articles I've read so far have different use cases where there is a intent to upgrade to 2013 mode, but the difference is that I need to stay in 2010 mode.

https://social.msdn.microsoft.com/Forums/en-US/71e69428-e6e9-43aa-9831-1b6ab9ad9cdb/sp2010-sp2019-migration-farm-solutions?forum=SP2019

Will the 2010 solutions still work in 2019, or do they have to be upgraded to 2013 mode for 2019?

Thank you in advance!

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@JohnPetrutis-1713

Thank you for your question.

We are currently looking into this issue and will give you an update as soon as possible.

Thank you for your understanding and support.

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1 Answer

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EmilyDu-MSFT answered EmilyDu-MSFT commented

@JohnPetrutis-1713

Yes, SharePoint 2010 solutions have to be upgraded to 2013 mode for SharePoint 2019.


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@JohnPetrutis-1713

I’m checking how the things are going on about this issue. Whether the answer helps you?

If there is any problem with this issue, feel free to let me know.

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There was a bug in the system earlier preventing me from posting my reply, saying something about me needing to sign in to comment, even though I was signed in.

I was able to confirm that in my scenario, the 2010 pages were upgraded to 2013 mode. This means the customizations such as masterpages and page layouts from 2010 will not work. This did help Emily, thank you.

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EmilyDu-MSFT avatar image EmilyDu-MSFT JohnPetrutis-1713 ·

@JohnPetrutis-1713

You can accept the answer if it helps.

It will help others who meet the similar question in this forum.

Thank you for your understanding.

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