Lots of people reported that they couldn't progress the quest until they put it in a house that they owned.
It was changed a while back, it's "Until Cancelled" now (though as DenMum says, it does need to be recast if you die). (Edit: Heh, found my "thanks for changing it" thread from 21 December 2016. Not sure when it actually went in, but that's about when I noticed. )
i decied never haveing to go back to old exantiions to harvers commons was wotrh mnore than a rare every 24 hours whic i can get normaly anyways