This solution contains invalid markup or elements that cannot be deployed as part of a sandboxed solution in SharePoint 2010.

I was getting the above error while trying to activate one of the solutions in SharePoint 2010. As it turns out it was a farm solution and not a sandboxed one.

So adding and deploying it though central admin resolved the issue.

Hope it helps !


Author: Nishant Rana

I love working in and sharing everything about Microsoft.NET technology !

3 thoughts on “This solution contains invalid markup or elements that cannot be deployed as part of a sandboxed solution in SharePoint 2010.”

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