You have an Exchange Server 2013 organization that contains one server named exl.contoso.com. The server has the Mailbox server role and the Client Access server role installed.
You plan to configure users to work from home and to access their email by using the Outlook Anywhere feature.
Upon testing the planned configuration, you discover that the users can connect and synchronize email from home, but they cannot execute the following tasks:
Set automatic replies for Out of Office.

Download changes to the offline address book.

View availability data when scheduling meetings with coworkers.

The users can execute these tasks when they work from the office.
You need to ensure that the users can execute the tasks when they work from home.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)
Correct Answer: B,E
Explanation/Reference:
Explanation:
EWS virtual directory (Exchange Web Services)
A virtual directory is used by Internet Information Services (IIS) to allow access to a web application in Exchange 2013 Autodiscover Service, ECP, EWS, ActiveSync, OWA, OAB, PowerShell are the available virtual directories through EAC.
You can manage a variety of virtual directory settings on Exchange 2013 including authentication, security, and reporting settings. I am explaining here, how you can manage the Virtual Directories through Exchange Admin Center.
B: Need to modify the EWS virtual directory in order to create the external URL.
E: Need to modify the OAB virtual directory to create the External URL