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Virtual Machines - Reimage

Reimages (upgrade the operating system) a virtual machine which don't have a ephemeral OS disk, for virtual machines who have a ephemeral OS disk the virtual machine is reset to initial state. NOTE: The retaining of old OS disk depends on the value of deleteOption of OS disk. If deleteOption is detach, the old OS disk will be preserved after reimage. If deleteOption is delete, the old OS disk will be deleted after reimage. The deleteOption of the OS disk should be updated accordingly before performing the reimage.

POST https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachines/{vmName}/reimage?api-version=2024-07-01

URI Parameters

Name In Required Type Description
resourceGroupName
path True

string

The name of the resource group.

subscriptionId
path True

string

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

vmName
path True

string

The name of the virtual machine.

api-version
query True

string

Client Api Version.

Request Body

Name Type Description
parameters

VirtualMachineReimageParameters

Parameters supplied to the Reimage Virtual Machine operation.

Responses

Name Type Description
200 OK

OK

202 Accepted

Accepted

Other Status Codes

CloudError

Error response describing why the operation failed.

Security

azure_auth

Azure Active Directory OAuth2 Flow

Type: oauth2
Flow: implicit
Authorization URL: https://login.microsoftonline.com/common/oauth2/authorize

Scopes

Name Description
user_impersonation impersonate your user account

Examples

Reimage a Non-Ephemeral Virtual Machine.
Reimage a Virtual Machine.

Reimage a Non-Ephemeral Virtual Machine.

Sample request

POST https://management.azure.com/subscriptions/{subscription-id}/resourceGroups/myResourceGroup/providers/Microsoft.Compute/virtualMachines/myVMName/reimage?api-version=2024-07-01

{
  "tempDisk": true,
  "exactVersion": "aaaaaa",
  "osProfile": {
    "adminPassword": "{your-password}",
    "customData": "{your-custom-data}"
  }
}

Sample response

Location: https://management.azure.com/subscriptions/{subscriptionId}/providers/Microsoft.Compute/locations/westus/operations/{operationId}&monitor=true&api-version=2024-07-01

Reimage a Virtual Machine.

Sample request

POST https://management.azure.com/subscriptions/{subscription-id}/resourceGroups/myResourceGroup/providers/Microsoft.Compute/virtualMachines/myVMName/reimage?api-version=2024-07-01

{
  "tempDisk": true
}

Sample response

Location: https://management.azure.com/subscriptions/{subscriptionId}/providers/Microsoft.Compute/locations/westus/operations/{operationId}&monitor=true&api-version=2024-07-01

Definitions

Name Description
ApiError

Api error.

ApiErrorBase

Api error base.

CloudError

An error response from the Compute service.

InnerError

Inner error details.

OSProfileProvisioningData

Specifies information required for reimaging the non-ephemeral OS disk.

VirtualMachineReimageParameters

Parameters supplied to the Reimage Virtual Machine operation.

ApiError

Api error.

Name Type Description
code

string

The error code.

details

ApiErrorBase[]

The Api error details

innererror

InnerError

The Api inner error

message

string

The error message.

target

string

The target of the particular error.

ApiErrorBase

Api error base.

Name Type Description
code

string

The error code.

message

string

The error message.

target

string

The target of the particular error.

CloudError

An error response from the Compute service.

Name Type Description
error

ApiError

Api error.

InnerError

Inner error details.

Name Type Description
errordetail

string

The internal error message or exception dump.

exceptiontype

string

The exception type.

OSProfileProvisioningData

Specifies information required for reimaging the non-ephemeral OS disk.

Name Type Description
adminPassword

string

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

customData

string

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.

VirtualMachineReimageParameters

Parameters supplied to the Reimage Virtual Machine operation.

Name Type Description
exactVersion

string

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.

osProfile

OSProfileProvisioningData

Specifies information required for reimaging the non-ephemeral OS disk.

tempDisk

boolean

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.