Mapped drives to all users
In order to add (or modify or delete) a mapped drive to user's computers, you need to use a Group Policy Object. Use the following steps:
First, open Server Manager
Under "Tools" click on "Group Policy Management"
Navigate to "Forest: Server.local | Domains | Server.local | Group Domain Policy"
Right click and select "edit"
Navigate to "Default Domain Policy [Server | User Configuration | Preferences | Windows Settings | Drive Maps"
Click on the blue "+" icon, and enter the appropriate information
Click "OK" and you're done.