We are migrating from SP2007 to SP2013 and I'm trying to use the Query LDAP action in Nintex 2013 to get the displayname of a user stored in a people lookup field. I've done this before in SP2007. Problem is we are now using claims based authentication and the fields is now storing this value for the username - i:0#.w| before the domain and username. I'm thinking this is causing an issue as I'm not getting any values back from the query.
I'm not a developer or network admin so I don't know the proper syntax to query AD. Any ideas?