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Attach a managed data disk to a Windows VM - Azure | Microsoft Docs
How to attach a managed data disk to a Windows VM by using the Azure portal.
roygara
virtual-machines-windows
conceptual
10/08/2018
rogarana
disks

Attach a managed data disk to a Windows VM by using the Azure portal

This article shows you how to attach a new managed data disk to a Windows virtual machine (VM) by using the Azure portal. The size of the VM determines how many data disks you can attach. For more information, see Sizes for virtual machines.

Add a data disk

  1. In the Azure portal, from the menu on the left, select Virtual machines.
  2. Select a virtual machine from the list.
  3. On the Virtual machine page, select Disks.
  4. On the Disks page, select Add data disk.
  5. In the drop-down for the new disk, select Create disk.
  6. In the Create managed disk page, type in a name for the disk and adjust the other settings as necessary. When you're done, select Create.
  7. In the Disks page, select Save to save the new disk configuration for the VM.
  8. After Azure creates the disk and attaches it to the virtual machine, the new disk is listed in the virtual machine's disk settings under Data disks.

Initialize a new data disk

  1. Connect to the VM.
  2. Select the Windows Start menu inside the running VM and enter diskmgmt.msc in the search box. The Disk Management console opens.
  3. Disk Management recognizes that you have a new, uninitialized disk and the Initialize Disk window appears.
  4. Verify the new disk is selected and then select OK to initialize it.
  5. The new disk appears as unallocated. Right-click anywhere on the disk and select New simple volume. The New Simple Volume Wizard window opens.
  6. Proceed through the wizard, keeping all of the defaults, and when you're done select Finish.
  7. Close Disk Management.
  8. A pop-up window appears notifying you that you need to format the new disk before you can use it. Select Format disk.
  9. In the Format new disk window, check the settings, and then select Start.
  10. A warning appears notifying you that formatting the disks erases all of the data. Select OK.
  11. When the formatting is complete, select OK.

Next steps

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