To withdraw a shared policy in the Policies page

1. In the console, click Policies.

2. On the Policies page, under Policies, click the type of policy that you want to withdraw.

3.  In the policy type Policies pane, click the specific policy that you want to withdraw.

4. On the Policies page, under Tasks, click Withdraw the Policy.

5. In the Withdraw Policy dialog box, check the groups and locations from which you want to withdraw the policy.

6. Click Withdraw.

7. When you are prompted to confirm the withdrawal of the policy from the groups and locations, click Yes.

To withdraw a shared or non-shared policy in the Clients page

1. In the console, click Clients.

2. On the Clients page, under Clients, select the group for which you want to withdraw a policy.

3. On the Policies tab, uncheck Inherit policies and settings from parent group "group name".

   You must disable inheritance for this group. If you do not uncheck inheritance, you cannot withdraw a policy.

4. Under Location-specific Policies and Settings, scroll to find the name of the location for which you want to withdraw a policy.

5. Locate the policy for the location that you want to withdraw.

6. Click Tasks, and then click Withdraw Policy.

7. In the Withdraw Policy dialog box, click Yes.

to withdraw the policy follow the steps in the link

http://www.symantec.com/business/support/index?page=content&id=HOWTO55192

to delete, check this link

http://www.symantec.com/business/support/index?page=content&id=HOWTO55194