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Azure VM resize: PowerShell lists Dv5 sizes, but Azure Portal only offers Dv4
Hello, We recently migrated two production Azure virtual machines away from the retiring Bv1 family. Initially, the VMs were running as: Standard_B2ms Standard_B4ms Our goal was to m...
The difference you observed is expected which mean Get-AzVMSize lists all theoretically available SKUs in the region, while the Azure Portal filters that list based on actual cluster capacity, compatibility, and allocation feasibility. In practice, the Portal is authoritative for valid resize targets, while above may show SKUs that cannot be allocated to your VM at that moment.
https://learn.microsoft.com/en-us/azure/virtual-machines/sizes/resize-vm?tabs=portal