Remember to wear Fagan's Signet!!
Players on step 5 that can't get the NPC(s) to respond need to /say [Fagan's Signet], be at least level 20, be wearing the signet and have completed the quest Merle's Informant.
Players on Step 8 that can't get the Hounds to talk to them need to follow the directions in their journal and say [the moonstone] to them (and make sure they're wearing the signet).
Players on Step 10 that can't get the Enchanter to talk to them need to be wearing Fagan's Signet.