Board Thread:Off Topic/@comment-94.15.117.22-20150726174531/@comment-6881629-20150726180250

As its a dlc item you have to replace the XX in XX019ADF with the load order of your Dawnguard, if you don't know the number use the command -

help "serana"

That will bring up a list with Serana's id XX002B6C but the XX will be the actual number for your Dawnguard.