Follow these instrctions to disable auto- drop for a Membership Type:

1. Click Setup in the left navigation panel.
2. Click Types in the Memberships section.
3. On the Membership Type screen click the link for the membershp type you wish to change.

   

4. On the Edit Membership Type screen choose Manually Ended from the End Type list.

   

5. Click Done. Auto-drop has now been disabled for this membership type.