If the Application Catalog Web Service and Enrollment Point must be installed in the same Forest as the Site Server will this work if my Clients are in a different Forest?

If the Application Catalog Web Service and Enrollment Point must be installed in the same Forest as the Site Server will this work if my Clients are in a different Forest?

If the Application Catalog Web Service and Enrollment Point must be installed in the same Forest as the Site Server will this work if my Clients are in a different Forest?