Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Applies to: ✔️ Linux VMs ✔️ Windows VMs
Original KB number: 4131519
Note
CentOS referenced in this article is a Linux distribution and will reach End Of Life (EOL). Consider your use and plan accordingly. For more information, see CentOS End Of Life guidance.
Summary
This article describes an issue in which you cannot upgrade an Azure virtual machine (VM) to a size that contains more than 64 virtual CPUs (vCPUs).
Symptoms
You may experience errors when you try to upgrade your VM to a size that contains more than 64 vCPU's, such as Standard_F72s_v2.
Cause
This issue occurs if the operating system that runs on the VM doesn't support more than 64 vCPU's.
More than 64 vCPU's require one of the following supported guest operating systems: Windows Server 2016, Ubuntu 16.04 LTS, SLES 12 SP2, Red Hat Enterprise Linux, CentOS 7.3, or Oracle Linux 7.3 with LIS 4.2.1.
For more information, see Compute optimized virtual machine sizes.