changing managed os-disk in azure from standard ssd 1024GB to premium ssd 1024GB

Office365Admin 1 Reputation point

Hi folks,

i wanted to change the type of my managed os-disk from standard to premium (same size). The assistant in azure portal states that the disk must be deattached from vm first. Is there a way to do this without losing data on the managed disk? or do i have to start from scratch. If yes, how do i achieve it in the azure portal?


Azure Virtual Machines
Azure Virtual Machines
An Azure service that is used to provision Windows and Linux virtual machines.
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Azure Disk Storage
Azure Disk Storage
A high-performance, durable block storage designed to be used with Azure Virtual Machines and Azure VMware Solution.
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  1. Alan Kinane 16,676 Reputation points MVP

    Yes, you can just deallocate (stop) the virtual machine and then change the disk type. There will be no loss of data.

    Here is the process:

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  2. Office365Admin 1 Reputation point

    Hello @Alan Kinane ,

    thanks for the reply. Even with a stopped VM, i´m not able to change the SKU of the disk from Standard SSD to Premium:


    What am i doing wrong?