Scenario: A Citrix Administrator is upgrading a high availability pair to
NetScaler 10.5. After upgrading the secondary appliance, the administrator
forces a failover to test the new firmware, but the show ha node command
shows the sync state and propagation as disabled.
Why are the settings showing as disabled?

A.
The appliances did NOT properly failover.
B.
The NSIPs are no longer able to communicate.
C.
The settings are automatically disabled until the other appliance is upgraded.
D.
The upgrade process failed to run to completion on the secondary appliance.