https://blogs.msdn.microsoft.com/mattm/2012/09/19/ssis-with-alwayson/

http://help.k2.com/kb001572

https://technet.microsoft.com/en-us/library/ms182754%28v=sql.110%29.aspx

Temporary solution : Alter master key again with service master key

OPEN MASTER KEY DECRYPTION BY PASSWORD = ‘x’ — Should be encrypted! See below ALTER MASTER KEY ADD ENCRYPTION BY SERVICE MASTER KEY

Here is SQL server 2016 AG setting.

It seems like working with SQL 2014 as well.

https://blogs.msdn.microsoft.com/alwaysonpro/2016/06/23/sql-server-2016-alwayson-availability-group-enhancements-support-for-encrypted-databases/