Which scenario will cause automatic high availability (HA) synchronization to fail?
A . Different build versions
B . Manually forced synchronization
C . A force failover
D . A configuration change to the primary NetScaler
Answer: A
Explanation:
A: “Before syncing the new unit to the Primary NetScaler, we need to ensure that both NetScalers are running the same build.” (https://support.citrix.com/article/CTX218966%C2%A0)