Loss of Heartbeats in HA for NetScaler VPX hosted on Hyper-V

Change the load balancing method to HyperVPort.

Please follow the below steps on Hyper-V.

1. Drain Hyper-V Host 
2. Set Hyper-V host in maintenance 
3. Stop the Cluster Service with Powershell: Stop-Service Clussvc 
4. Configure Load Balancing in with Powershell: Set-NetLbfoTeam –Name “Team 1” –LoadBalancingAlgorithm HyperVPort 
5. Start the Cluster Service with Powershell: Start-Service Clussvc 

Please refer https://support.citrix.com/article/CTX224494 for detailed explanation on the methods.

Problem Cause