Copy structure and content - Upgrade a subsite to a site collection

You can upgrade a subsite to a site collection using the Copy Structure option in Migration. 

Prerequisites

• Global Administrator or SharePoint Administrator permissions are always recommended.
• You need the rights Term Store Administrator to complete a Term Store migration.

Index

How-To

How-To

1. Click Copy.
2. Select Copy structure and content.
3. Add your source credentials. 
4. Click Connect.
5. Select your source.
   Note: You can select a single subsite to migrate, or you can select a Site Collection if you want to upgrade multiple subsites under it.
6. Click Next.
7. Add your destination credentials.
8. Click Connect.
9. Select your destination.
   Note: You can connect to the Central or Global administration and select the web app where you want the new Site Collection(s) to go in, or you can connect to a newly created Site Collection to merge your source subsite into.
10. Click Next.
11. Select Site  from the list of Site Objects. 
12. Drill down to the subsite you would like to upgrade from the source.
13. Drag and drop it into the site-level at the destination or click  in the bottom right corner. See Copy Options if you need to apply specific parameters.
14. Once the action is completed, the migration report will show any successes, warning, or errors. See Migration Report for more details.

Note: Do not forget to Map Users and Groups, Permissions Levels and Site Templates before promoting your site.