SharePoint 2010 - Managed Metadata - Required feature is not enabled for this column type

Quick tip: if you’re using the Managed Metadata service in SharePoint 2010, you may encounter an issue when trying to use it in a site column. When creating the column of type, Managed Metadata, you may encounter the error message:

Required feature is not enabled for this column type

This is simple to fix. In powershell, issue

get-spfeature | where {$_.DisplayName -eq 'TaxonomyFieldAdded'} | enable-spfeature -url http://yoursiteurl

changing the -url paramater to match the URL of your site. Job done.