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https://communities.vmware.com/thread/577748
https://forums.veeam.com/veeam-one-f28/vm-connection-failure-t14135.html
https://helpcenter.veeam.com/docs/mp/kb/host_connection_failure.html
https://www.rayheffer.com/how-to-fix-not-responding-error-with-vmware-esx-in-vcenter/