Error occurred in deployment step Install App for SharePoint : Sideloading of apps is not enabled on this site

Sideloading of apps is not enabled on this site

If you are developing a SharePoint hosted add-in or provider hosted add-in using visual studio 2015 or visual studio 2017, you may get the below error:

Error occurred in deployment step ‘Install App for SharePoint’: Sideloading of apps is not enabled on this site

The error looks like below while deploying SharePoint Add-in.

Sideloading of apps is not enabled on this site
Sideloading of apps is not enabled on this site



Solution:

This error comes because of the URL we provide while developing an add-in in SharePoint. SharePoint App sideloading feature allows developer to install a SharePoint app directly into a site to explicitly bypass the regular governance controls of SharePoint.

Microsoft provides a new type of site, know as Developer site (Created by using Developer site template) to work with app development. These sites are specially designed for SharePoint Add-in developers to install and test apps before they are released to the store or app catalog or add-in catalog.

So the solution to this error is to create a developer site and use the developer site to create your SharePoint hosted add-in or provider hosted add-in. You can read steps to create a developer site in SharePoint online Office 365.

You can read an article on how we can develop a provider hosted add-in usin visual studio 2015 and how we can deploy provider hosted add-in to Microsoft Azure.

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About Bijay Kumar

I am Bijay from Odisha, India. Currently working with a reputed organization in Bangalore. I am Microsoft Office Servers and Services (SharePoint) MVP (4 times). I works in SharePoint 2016/2013/2010, SharePoint Online Office 365 etc. Check out My MVP Profile.

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