A Citrix Engineer has been notified that all users are unable to log on to the App Controller
to access their applications. What could be the cause of this issue?

A.
Active Directory users have been added to a newly created Active Directory Group.

B.
Active Directory user accounts have been updated with new email addresses.

C.
The LDAP Service Account used by the App Controller has a different password.

D.
The MDX apps have been wrapped with the incorrect version of the MDX ToolKit.