POST /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualMachines/{instanceId}/reimage/?api-version=2023-09-01

The name of the VM scale set.

The instance ID of the virtual machine.

Subscription credentials which uniquely identify Microsoft Azure subscription. The subscription ID forms part of the URI for every service call.

The name of the resource group.

Default value: "application/json"

Additional parameters for Reimaging Non-Ephemeral Virtual Machine.

Specifies a base-64 encoded string of custom data. The base-64 encoded string is decoded to a binary array that is saved as a file on the Virtual Machine. The maximum length of the binary array is 65535 bytes. Note: Do not pass any secrets or passwords in customData property. This property cannot be updated after the VM is created. The property customData is passed to the VM to be saved as a file, for more information see Custom Data on Azure VMs. If using cloud-init for your Linux VM, see Using cloud-init to customize a Linux VM during creation.

Specifies the password of the administrator account.

Minimum-length (Windows): 8 characters

Minimum-length (Linux): 6 characters

Max-length (Windows): 123 characters

Max-length (Linux): 72 characters

Complexity requirements: 3 out of 4 conditions below need to be fulfilled
Has lower characters
Has upper characters
Has a digit
Has a special character (Regex match [\W_])

Disallowed values: "abc@123", "P@$$w0rd", "P@ssw0rd", "P@ssword123", "Pa$$word", "pass@word1", "Password!", "Password1", "Password22", "iloveyou!"

For resetting the password, see How to reset the Remote Desktop service or its login password in a Windows VM

For resetting root password, see Manage users, SSH, and check or repair disks on Azure Linux VMs using the VMAccess Extension

Specifies in decimal number, the version the OS disk should be reimaged to. If exact version is not provided, the OS disk is reimaged to the existing version of OS Disk.

Specifies whether to reimage temp disk. Default value: false. Note: This temp disk reimage parameter is only supported for VM/VMSS with Ephemeral OS disk.