If the membership was entered through Back Office (via Batch or the Add a Membership form), follow these steps:
  1. Go to the Membership record 
  2. Click Other Tasks > Edit Membership Details
  3. Uncheck the box for "Mark this membership for automatic renewal for later query"
  4. Click Save.
If the membership was purchased through a Sales Order, you will not see the option above. To remove auto renew status from a membership: 
  1. Go to the Membership record and click Upgrade Now
  2. Add a $0 back office payment and upgrade the member to the next level. 
  3. Save this payment. 
  4. This removes the auto-renew status. 
  5. Delete the $0 back office payment. 
  6. Go back to the Membership record and under Recent Membership Transactions, delete the upgrade transaction.