Resetting a poll clears the results and enables participants to vote again.
Go to Polls.
Select the Polls tool from the site Tool Menu.
Select the box next to the poll or polls you'd like to reset.
Tip: You may also click the column header checkbox to select all polls.
Select the Reset selected polls button.
Select OK to confirm the reset.
Select OK on the result pop-up window to confirm the poll reset.