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?
Why is there high ping latency in Hyper-V virtual machines?
Modified on 2025-06-10 13:58:23 +0200
Disclaimer:
The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.
The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.
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
Jan, 2014 - Permalink