You have a single Active Directory Domain Services (AD DS) site. All client computers run Windows 7. Users in the marketing department use a custom application. You create a new Group Policy object…

You have a single Active Directory Domain Services (AD DS) site. All client computers run Windows 7. Users in the marketing department use a custom application. You create a new Group Policy object (GPO) and link it to the site. Users in the marketing department then report that they are unable to use the custom application. You need to ensure that all users in the marketing department are able to use the custom application. You need to ensure that all other users continue to receive the new GPO. What should you do?