http://blogs.msdn.com/varun_malhotra/archive/2009/06/04/bdc-user-permission-list-add-users-from-api.aspxRecently I came across an interesting request from my customer, who wanted to add users to the “BDC User Permission List” in the central admin. There is a How To article on MSDN and SDK – “How to: Add an Access Control Entry to a Metadata Object”, buten-USCommunityServer 2.1 SP1 (Build: 61025.2)