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Hyper-V Cluster - Two out of Three Hosts Have "Host Not Responding" Error

We have been dealing with an issue and Microsoft support has been useless. Three host servers are in a cluster. We are running Windows Server 2012 Datacenter. In the virtual machine manager, two of the hosts cannot communicate with the agents correctly. All machines on those hosts have the following error: "Host Not Responding". At first, we could temporarily fix the issue with a reboot of the host server. After working with Microsoft support, that doesn't even work anymore.

This basically renders the cluster useless because two of the hosts cannot manage the virtual machines. One of the host servers works fine. All agents can communicate with it and we have full admin controls.

We have tried many things with no success. Any suggestions would be appreciated. We attached screenshots of the issue.
Statuses-on-a-Bad-Host.JPG
Statuses-on-the-single-good-host.JPG
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LanspeedSupport
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LanspeedSupport
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1 Solution
 
Philip ElderTechnical Architect - HA/Compute/StorageCommented:
Does Failover Cluster Manager and Hyper-V Management pick up the guests on each host?

Can FCM and HVM be used to manage the cluster and setup?

FCM --> Cluster Name --> Cluster Events --> Query:

Choose all of your nodes, Scroll through the Event logs list and tick all of the necessary Cluster, Failover Cluster, and Hyper-V logs, and save the query.

Are the nodes up to date? http://bit.ly/1kcUeWi (Updates and Hotfixes list on TN)

Another troubleshooting option: Get-ClusterLog

Another excellent and little known tool is the Microsoft Message Analyzer:
Download: http://bit.ly/1ltCggS
Microsoft Analyzer Blog: http://bit.ly/1r8HuSO

Philip
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LanspeedSupportAuthor Commented:
Microsoft Support finally escalated the ticket to someone who could help. They discovered that a password needed to be configured for communication with the servers. There were other items that they discovered as well. It is working for now.
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LanspeedSupportAuthor Commented:
Microsoft Support assisted with the issue.
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