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March 9th, 2025 10:52
EPYC 7XX3 Windows Server 2025 Hyper-V NUMA Problems
After updating to Windows 2025, we are experiencing issues with the NUMA settings. We had to enable "allow virtual machines to span physical NUMA nodes" because after starting the 4th VM, it was already outside NUMA.
We didn't have this problem with Windows 2022 on the same machine, and we have something like 25 VM.
NPS is set to 1.
Do we need a special configuration in the BIOS for Windows 2025? Everything is on the latest firmware version, including BIOS and chipset drivers.
Thanks
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DELL-Young E
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March 10th, 2025 01:29
Hello, we checked your service tag and I believe it's best to go to Microsoft first- your tag information says no OS. If it's a hardware problem suspected, you can raise an official ticket in your region. Your system is still in warranty. https://www.dell.com/support/incidents-online/en-us/contactus/dynamic
Thanks for choosing Dell. Let us know if you have any additional questions.
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