A company is deploying a new file server to consolidate shares from several legacy servers. Which of the following is the BEST method to ensure that the new file shares are being used？（）

• A、 Setup the new file server and shut down the legacy servers.
• B、 Remove all the DNS entries for the legacy servers.
• C、 Create a logon script to remap the old file shares to the new file shares.
• D、 Go to each users computer， remove all shares and setup the new shares.