SQL Server 2014 - AlwaysOn HA - Always Synchronizing I have a Windows Server 2012 R2 cluster with SQL Server 2014 configured in a HA configuration. 

The secondary databases always say Synchronizing when the data movement is happening. Is this normal? Should it say synchronized at some point?
Since you have configured AlwaysON as Asynchronous, it will be in synchronizing state.


  Should it say Synchronized at some point?


If you want to do a planned failover, you should alter your availablity group to synchronous and then do a failover.

When you change the synchronization method to synchronous and when the secondary has catch-up with primary, it will show synchronized.

Refer  to my answer : How far is secondary behind primary ? as well as AlwaysON professional blog - Determine Availability Group Synchronization State, Minimize Data Loss When Quorum is Forced