A vSphere content library administrator is attempting to unpublish the content library, but the option is grayed
out as shown in the Exhibit.
Which statement identifies the reason for not being able to unpublish?
The content library is optimized for syncing over HTTP.
A synchronization operation is in progress with this content library.
There are active subscriptions on this content library.
Underlying storage for this content library is not accessible.
Since the underlying storage is not accessible for this content library, the option will be greyed out because the
storage is unavailable.