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Why is there high ping latency in Hyper-V virtual machines?

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I encounter uncommon slow ping times with Microsoft Hyper-V virtual machines on Windows Server 2012. Why is there such unexpected high ping latency in my Hyper-V VMs? What can I do to get correct pings?

hyper-v hypervisor microsoft ping ping-error ping-latency prtg virtual-machine vm

Created on Jan 13, 2014 5:13:47 PM by  Gerald Schoch [Paessler Support]



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This article applies to PRTG Network Monitor 13 or later

High Ping Latency in Hyper-V Virtual Machines

Unusual slow ping times in Microsoft Hyper-V virtual machines on your Windows Server might be caused by a Time Stamp Counter (TSC) drift, a clock synchronization issue, in certain conditions.

In order to fix these lengthy ping times on your Windows Server running Hyper-V, please execute the following command on an elevated command line or PowerShell: bcdedit.exe /set USEPLATFORMCLOCK on

For details, please see this article: High Ping Latency in Hyper-V Virtual Machines

Created on Jan 13, 2014 5:15:05 PM by  Gerald Schoch [Paessler Support]



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