Steps to change the targets for existing policies, by copying and modifying the targets before deploying.
1.) Go to Endpoint Security then click Standard Endpoint Protection
2.) Open Policy management.
3.) Choose a policy you would like to change
4.) On the tick the box button beside the policy name you would like to choose.
5.) Once box has been ticked, click Copy Settings, here is an example to guide you.
6.) Then change the target to the one you prefer.
7.) Deploy the policy.
Note:
Make sure to disable or delete the source policy once this has been deployed.