Go to the VM

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**Check if you have snapshots on the VM**
Go to the snapshot tab and check is the status is "No snapshots to show"
You can't extend disk if snapshot are present you need to delete the snapshot first !

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**The resize is not available when the vm is ON** 

Before changing hardware configuration you need to turn of the VM

You can turn off by using SSH or the web interface :

{{:iaas:pasted:20200526-104001.png}}

**Turn off option :**

  * "Send the power off signal" will send a signal to the VM to do a proper shutdown
  * "Power off the machine" will power off the machine similar than removing the computer power. This should be use only if the "Send the power off signal" don't work.

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**The status is now powering off :**

{{:iaas:pasted:20200526-104018.png}}

**Press the refresh button to refresh the status until the status is OFF :**

{{:iaas:pasted:20200526-104028.png}}

Go to the Storage tab
And click on the resize button ({{:iaas:pasted:20200526-141417.png}})

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Change the value to the desired size and click Resize

{{:iaas:pasted:20200526-141549.png}}

The vm may briefly turn on to apply the modification and the interface may show the vm running but it's not true. 
Click on the refresh button 

{{:iaas:pasted:20200526-141924.png}}

Now you can turn on the vm by pressing the start button 

{{:iaas:pasted:20200526-142037.png}}

The vm will be in status "Deploying" it's normal 

{{:iaas:pasted:20200526-142217.png}}

Just click the refresh button {{:iaas:pasted:20200526-142253.png}} to get the new status