diff --git a/specification/compute/resource-manager/Microsoft.Compute/stable/2021-03-01/compute.json b/specification/compute/resource-manager/Microsoft.Compute/stable/2021-03-01/compute.json index a92a6b9956b3..5cfd2ded350b 100644 --- a/specification/compute/resource-manager/Microsoft.Compute/stable/2021-03-01/compute.json +++ b/specification/compute/resource-manager/Microsoft.Compute/stable/2021-03-01/compute.json @@ -2589,7 +2589,7 @@ "VirtualMachineSizes" ], "operationId": "VirtualMachineSizes_List", - "description": "This API is deprecated. Use [Resources Skus](https://docs.microsoft.com/en-us/rest/api/compute/resourceskus/list)", + "description": "This API is deprecated. Use [Resources Skus](https://docs.microsoft.com/rest/api/compute/resourceskus/list)", "parameters": [ { "name": "location", @@ -3436,7 +3436,7 @@ "VirtualMachines" ], "operationId": "VirtualMachines_Generalize", - "description": "Sets the OS state of the virtual machine to generalized. It is recommended to sysprep the virtual machine before performing this operation.
For Windows, please refer to [Create a managed image of a generalized VM in Azure](https://docs.microsoft.com/en-us/azure/virtual-machines/windows/capture-image-resource).
For Linux, please refer to [How to create an image of a virtual machine or VHD](https://docs.microsoft.com/en-us/azure/virtual-machines/linux/capture-image).", + "description": "Sets the OS state of the virtual machine to generalized. It is recommended to sysprep the virtual machine before performing this operation.
For Windows, please refer to [Create a managed image of a generalized VM in Azure](https://docs.microsoft.com/azure/virtual-machines/windows/capture-image-resource).
For Linux, please refer to [How to create an image of a virtual machine or VHD](https://docs.microsoft.com/azure/virtual-machines/linux/capture-image).", "parameters": [ { "name": "resourceGroupName", @@ -5661,7 +5661,7 @@ "VirtualMachineScaleSets" ], "operationId": "VirtualMachineScaleSets_PerformMaintenance", - "description": "Perform maintenance on one or more virtual machines in a VM scale set. Operation on instances which are not eligible for perform maintenance will be failed. Please refer to best practices for more details: https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/virtual-machine-scale-sets-maintenance-notifications", + "description": "Perform maintenance on one or more virtual machines in a VM scale set. Operation on instances which are not eligible for perform maintenance will be failed. Please refer to best practices for more details: https://docs.microsoft.com/azure/virtual-machine-scale-sets/virtual-machine-scale-sets-maintenance-notifications", "parameters": [ { "name": "resourceGroupName", @@ -7899,7 +7899,7 @@ "$ref": "#/definitions/Resource" } ], - "description": "Specifies information about the availability set that the virtual machine should be assigned to. Virtual machines specified in the same availability set are allocated to different nodes to maximize availability. For more information about availability sets, see [Manage the availability of virtual machines](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-windows-manage-availability?toc=%2fazure%2fvirtual-machines%2fwindows%2ftoc.json).

For more information on Azure planned maintenance, see [Planned maintenance for virtual machines in Azure](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-windows-planned-maintenance?toc=%2fazure%2fvirtual-machines%2fwindows%2ftoc.json)

Currently, a VM can only be added to availability set at creation time. An existing VM cannot be added to an availability set." + "description": "Specifies information about the availability set that the virtual machine should be assigned to. Virtual machines specified in the same availability set are allocated to different nodes to maximize availability. For more information about availability sets, see [Availability sets overview](https://docs.microsoft.com/azure/virtual-machines/availability-set-overview).

For more information on Azure planned maintenance, see [Maintenance and updates for Virtual Machines in Azure](https://docs.microsoft.com/azure/virtual-machines/maintenance-and-updates)

Currently, a VM can only be added to availability set at creation time. An existing VM cannot be added to an availability set." }, "AvailabilitySetUpdate": { "properties": { @@ -8407,7 +8407,7 @@ "numberOfCores": { "type": "integer", "format": "int32", - "description": "The number of cores supported by the virtual machine size. For Constrained vCPU capable VM sizes, this number represents the total vCPUs of quota that the VM uses. For accurate vCPU count, please refer to https://docs.microsoft.com/en-us/azure/virtual-machines/constrained-vcpu or https://docs.microsoft.com/en-us/rest/api/compute/resourceskus/list" + "description": "The number of cores supported by the virtual machine size. For Constrained vCPU capable VM sizes, this number represents the total vCPUs of quota that the VM uses. For accurate vCPU count, please refer to https://docs.microsoft.com/azure/virtual-machines/constrained-vcpu or https://docs.microsoft.com/rest/api/compute/resourceskus/list" }, "osDiskSizeInMB": { "type": "integer", @@ -9437,7 +9437,7 @@ "properties": { "vmSize": { "type": "string", - "description": "Specifies the size of the virtual machine.

The enum data type is currently deprecated and will be removed by December 23rd 2023.

Recommended way to get the list of available sizes is using these APIs:

[List all available virtual machine sizes in an availability set](https://docs.microsoft.com/rest/api/compute/availabilitysets/listavailablesizes)

[List all available virtual machine sizes in a region]( https://docs.microsoft.com/en-us/rest/api/compute/resourceskus/list)

[List all available virtual machine sizes for resizing](https://docs.microsoft.com/rest/api/compute/virtualmachines/listavailablesizes). For more information about virtual machine sizes, see [Sizes for virtual machines](https://docs.microsoft.com/en-us/azure/virtual-machines/sizes).

The available VM sizes depend on region and availability set.", + "description": "Specifies the size of the virtual machine.

The enum data type is currently deprecated and will be removed by December 23rd 2023.

Recommended way to get the list of available sizes is using these APIs:

[List all available virtual machine sizes in an availability set](https://docs.microsoft.com/rest/api/compute/availabilitysets/listavailablesizes)

[List all available virtual machine sizes in a region]( https://docs.microsoft.com/rest/api/compute/resourceskus/list)

[List all available virtual machine sizes for resizing](https://docs.microsoft.com/rest/api/compute/virtualmachines/listavailablesizes). For more information about virtual machine sizes, see [Sizes for virtual machines](https://docs.microsoft.com/azure/virtual-machines/sizes).

The available VM sizes depend on region and availability set.", "enum": [ "Basic_A0", "Basic_A1", @@ -9764,7 +9764,7 @@ }, "StorageAccountType": { "type": "string", - "description": "Specifies the storage account type for the managed disk. Managed OS disk storage account type can only be set when you create the scale set. NOTE: UltraSSD_LRS can only be used with data disks. It cannot be used with OS Disk. Standard_LRS uses Standard HDD. StandardSSD_LRS uses Standard SSD. Premium_LRS uses Premium SSD. UltraSSD_LRS uses Ultra disk. Premium_ZRS uses Premium SSD zone redundant storage. StandardSSD_ZRS uses Standard SSD zone redundant storage. For more information regarding disks supported for Windows Virtual Machines, refer to https://docs.microsoft.com/en-us/azure/virtual-machines/windows/disks-types and, for Linux Virtual Machines, refer to https://docs.microsoft.com/en-us/azure/virtual-machines/linux/disks-types", + "description": "Specifies the storage account type for the managed disk. Managed OS disk storage account type can only be set when you create the scale set. NOTE: UltraSSD_LRS can only be used with data disks. It cannot be used with OS Disk. Standard_LRS uses Standard HDD. StandardSSD_LRS uses Standard SSD. Premium_LRS uses Premium SSD. UltraSSD_LRS uses Ultra disk. Premium_ZRS uses Premium SSD zone redundant storage. StandardSSD_ZRS uses Standard SSD zone redundant storage. For more information regarding disks supported for Windows Virtual Machines, refer to https://docs.microsoft.com/azure/virtual-machines/windows/disks-types and, for Linux Virtual Machines, refer to https://docs.microsoft.com/azure/virtual-machines/linux/disks-types", "enum": [ "Standard_LRS", "Premium_LRS", @@ -9791,7 +9791,7 @@ }, "DiffDiskPlacement": { "type": "string", - "description": "Specifies the ephemeral disk placement for operating system disk. This property can be used by user in the request to choose the location i.e, cache disk or resource disk space for Ephemeral OS disk provisioning. For more information on Ephemeral OS disk size requirements, please refer Ephemeral OS disk size requirements for Windows VM at https://docs.microsoft.com/en-us/azure/virtual-machines/windows/ephemeral-os-disks#size-requirements and Linux VM at https://docs.microsoft.com/en-us/azure/virtual-machines/linux/ephemeral-os-disks#size-requirements", + "description": "Specifies the ephemeral disk placement for operating system disk. This property can be used by user in the request to choose the location i.e, cache disk or resource disk space for Ephemeral OS disk provisioning. For more information on Ephemeral OS disk size requirements, please refer Ephemeral OS disk size requirements for Windows VM at https://docs.microsoft.com/azure/virtual-machines/windows/ephemeral-os-disks#size-requirements and Linux VM at https://docs.microsoft.com/azure/virtual-machines/linux/ephemeral-os-disks#size-requirements", "enum": [ "CacheDisk", "ResourceDisk" @@ -9809,7 +9809,7 @@ }, "placement": { "$ref": "#/definitions/DiffDiskPlacement", - "description": "Specifies the ephemeral disk placement for operating system disk.

Possible values are:

**CacheDisk**

**ResourceDisk**

Default: **CacheDisk** if one is configured for the VM size otherwise **ResourceDisk** is used.

Refer to VM size documentation for Windows VM at https://docs.microsoft.com/en-us/azure/virtual-machines/windows/sizes and Linux VM at https://docs.microsoft.com/en-us/azure/virtual-machines/linux/sizes to check which VM sizes exposes a cache disk." + "description": "Specifies the ephemeral disk placement for operating system disk.

Possible values are:

**CacheDisk**

**ResourceDisk**

Default: **CacheDisk** if one is configured for the VM size otherwise **ResourceDisk** is used.

Refer to VM size documentation for Windows VM at https://docs.microsoft.com/azure/virtual-machines/windows/sizes and Linux VM at https://docs.microsoft.com/azure/virtual-machines/linux/sizes to check which VM sizes exposes a cache disk." } }, "description": "Describes the parameters of ephemeral disk settings that can be specified for operating system disk.

NOTE: The ephemeral disk settings can only be specified for managed disk." @@ -10122,7 +10122,7 @@ }, "timeZone": { "type": "string", - "description": "Specifies the time zone of the virtual machine. e.g. \"Pacific Standard Time\".

Possible values can be [TimeZoneInfo.Id](https://docs.microsoft.com/en-us/dotnet/api/system.timezoneinfo.id?#System_TimeZoneInfo_Id) value from time zones returned by [TimeZoneInfo.GetSystemTimeZones](https://docs.microsoft.com/en-us/dotnet/api/system.timezoneinfo.getsystemtimezones)." + "description": "Specifies the time zone of the virtual machine. e.g. \"Pacific Standard Time\".

Possible values can be [TimeZoneInfo.Id](https://docs.microsoft.com/dotnet/api/system.timezoneinfo.id?#System_TimeZoneInfo_Id) value from time zones returned by [TimeZoneInfo.GetSystemTimeZones](https://docs.microsoft.com/dotnet/api/system.timezoneinfo.getsystemtimezones)." }, "additionalUnattendContent": { "type": "array", @@ -10150,7 +10150,7 @@ }, "keyData": { "type": "string", - "description": "SSH public key certificate used to authenticate with the VM through ssh. The key needs to be at least 2048-bit and in ssh-rsa format.

For creating ssh keys, see [Create SSH keys on Linux and Mac for Linux VMs in Azure](https://docs.microsoft.com/en-us/azure/virtual-machines/linux/mac-create-ssh-keys?toc=%2fazure%2fvirtual-machines%2flinux%2ftoc.json)." + "description": "SSH public key certificate used to authenticate with the VM through ssh. The key needs to be at least 2048-bit and in ssh-rsa format.

For creating ssh keys, see [Create SSH keys on Linux and Mac for Linux VMs in Azure]https://docs.microsoft.com/azure/virtual-machines/linux/create-ssh-keys-detailed)." } }, "description": "Contains information about SSH certificate public key and the path on the Linux VM where the public key is placed." @@ -10225,15 +10225,15 @@ }, "adminUsername": { "type": "string", - "description": "Specifies the name of the administrator account.

This property cannot be updated after the VM is created.

**Windows-only restriction:** Cannot end in \".\"

**Disallowed values:** \"administrator\", \"admin\", \"user\", \"user1\", \"test\", \"user2\", \"test1\", \"user3\", \"admin1\", \"1\", \"123\", \"a\", \"actuser\", \"adm\", \"admin2\", \"aspnet\", \"backup\", \"console\", \"david\", \"guest\", \"john\", \"owner\", \"root\", \"server\", \"sql\", \"support\", \"support_388945a0\", \"sys\", \"test2\", \"test3\", \"user4\", \"user5\".

**Minimum-length (Linux):** 1 character

**Max-length (Linux):** 64 characters

**Max-length (Windows):** 20 characters

  • For root access to the Linux VM, see [Using root privileges on Linux virtual machines in Azure](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-linux-use-root-privileges?toc=%2fazure%2fvirtual-machines%2flinux%2ftoc.json)
  • For a list of built-in system users on Linux that should not be used in this field, see [Selecting User Names for Linux on Azure](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-linux-usernames?toc=%2fazure%2fvirtual-machines%2flinux%2ftoc.json)" + "description": "Specifies the name of the administrator account.

    This property cannot be updated after the VM is created.

    **Windows-only restriction:** Cannot end in \".\"

    **Disallowed values:** \"administrator\", \"admin\", \"user\", \"user1\", \"test\", \"user2\", \"test1\", \"user3\", \"admin1\", \"1\", \"123\", \"a\", \"actuser\", \"adm\", \"admin2\", \"aspnet\", \"backup\", \"console\", \"david\", \"guest\", \"john\", \"owner\", \"root\", \"server\", \"sql\", \"support\", \"support_388945a0\", \"sys\", \"test2\", \"test3\", \"user4\", \"user5\".

    **Minimum-length (Linux):** 1 character

    **Max-length (Linux):** 64 characters

    **Max-length (Windows):** 20 characters." }, "adminPassword": { "type": "string", - "description": "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](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-windows-reset-rdp?toc=%2fazure%2fvirtual-machines%2fwindows%2ftoc.json)

    For resetting root password, see [Manage users, SSH, and check or repair disks on Azure Linux VMs using the VMAccess Extension](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-linux-using-vmaccess-extension?toc=%2fazure%2fvirtual-machines%2flinux%2ftoc.json#reset-root-password)" + "description": "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](https://docs.microsoft.com/troubleshoot/azure/virtual-machines/reset-rdp)

    For resetting root password, see [Manage users, SSH, and check or repair disks on Azure Linux VMs using the VMAccess Extension](https://docs.microsoft.com/troubleshoot/azure/virtual-machines/troubleshoot-ssh-connection)" }, "customData": { "type": "string", - "description": "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.

    customData is passed to the VM to be saved as a file, for more information see [Custom Data on Azure VMs](https://azure.microsoft.com/en-us/blog/custom-data-and-cloud-init-on-windows-azure/)

    For using cloud-init for your Linux VM, see [Using cloud-init to customize a Linux VM during creation](https://docs.microsoft.com/azure/virtual-machines/linux/using-cloud-init)" + "description": "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.

    customData is passed to the VM to be saved as a file, for more information see [Custom Data on Azure VMs](https://azure.microsoft.com/blog/custom-data-and-cloud-init-on-windows-azure/)

    For using cloud-init for your Linux VM, see [Using cloud-init to customize a Linux VM during creation](https://docs.microsoft.com/azure/virtual-machines/linux/using-cloud-init)" }, "windowsConfiguration": { "$ref": "#/definitions/WindowsConfiguration", @@ -10982,7 +10982,7 @@ }, "availabilitySet": { "$ref": "#/definitions/SubResource", - "description": "Specifies information about the availability set that the virtual machine should be assigned to. Virtual machines specified in the same availability set are allocated to different nodes to maximize availability. For more information about availability sets, see [Manage the availability of virtual machines](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-windows-manage-availability?toc=%2fazure%2fvirtual-machines%2fwindows%2ftoc.json).

    For more information on Azure planned maintenance, see [Planned maintenance for virtual machines in Azure](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-windows-planned-maintenance?toc=%2fazure%2fvirtual-machines%2fwindows%2ftoc.json)

    Currently, a VM can only be added to availability set at creation time. The availability set to which the VM is being added should be under the same resource group as the availability set resource. An existing VM cannot be added to an availability set.

    This property cannot exist along with a non-null properties.virtualMachineScaleSet reference." + "description": "Specifies information about the availability set that the virtual machine should be assigned to. Virtual machines specified in the same availability set are allocated to different nodes to maximize availability. For more information about availability sets, see [Availability sets overview](https://docs.microsoft.com/azure/virtual-machines/availability-set-overview).

    For more information on Azure planned maintenance, see [Maintenance and updates for Virtual Machines in Azure](https://docs.microsoft.com/azure/virtual-machines/maintenance-and-updates)

    Currently, a VM can only be added to availability set at creation time. The availability set to which the VM is being added should be under the same resource group as the availability set resource. An existing VM cannot be added to an availability set.

    This property cannot exist along with a non-null properties.virtualMachineScaleSet reference." }, "virtualMachineScaleSet": { "$ref": "#/definitions/SubResource", @@ -11527,11 +11527,11 @@ }, "adminUsername": { "type": "string", - "description": "Specifies the name of the administrator account.

    **Windows-only restriction:** Cannot end in \".\"

    **Disallowed values:** \"administrator\", \"admin\", \"user\", \"user1\", \"test\", \"user2\", \"test1\", \"user3\", \"admin1\", \"1\", \"123\", \"a\", \"actuser\", \"adm\", \"admin2\", \"aspnet\", \"backup\", \"console\", \"david\", \"guest\", \"john\", \"owner\", \"root\", \"server\", \"sql\", \"support\", \"support_388945a0\", \"sys\", \"test2\", \"test3\", \"user4\", \"user5\".

    **Minimum-length (Linux):** 1 character

    **Max-length (Linux):** 64 characters

    **Max-length (Windows):** 20 characters

  • For root access to the Linux VM, see [Using root privileges on Linux virtual machines in Azure](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-linux-use-root-privileges?toc=%2fazure%2fvirtual-machines%2flinux%2ftoc.json)
  • For a list of built-in system users on Linux that should not be used in this field, see [Selecting User Names for Linux on Azure](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-linux-usernames?toc=%2fazure%2fvirtual-machines%2flinux%2ftoc.json)" + "description": "Specifies the name of the administrator account.

    **Windows-only restriction:** Cannot end in \".\"

    **Disallowed values:** \"administrator\", \"admin\", \"user\", \"user1\", \"test\", \"user2\", \"test1\", \"user3\", \"admin1\", \"1\", \"123\", \"a\", \"actuser\", \"adm\", \"admin2\", \"aspnet\", \"backup\", \"console\", \"david\", \"guest\", \"john\", \"owner\", \"root\", \"server\", \"sql\", \"support\", \"support_388945a0\", \"sys\", \"test2\", \"test3\", \"user4\", \"user5\".

    **Minimum-length (Linux):** 1 character

    **Max-length (Linux):** 64 characters

    **Max-length (Windows):** 20 characters" }, "adminPassword": { "type": "string", - "description": "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](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-windows-reset-rdp?toc=%2fazure%2fvirtual-machines%2fwindows%2ftoc.json)

    For resetting root password, see [Manage users, SSH, and check or repair disks on Azure Linux VMs using the VMAccess Extension](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-linux-using-vmaccess-extension?toc=%2fazure%2fvirtual-machines%2flinux%2ftoc.json#reset-root-password)" + "description": "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](https://docs.microsoft.com/troubleshoot/azure/virtual-machines/reset-rdp)

    For resetting root password, see [Manage users, SSH, and check or repair disks on Azure Linux VMs using the VMAccess Extension](https://docs.microsoft.com/troubleshoot/azure/virtual-machines/troubleshoot-ssh-connection)" }, "customData": { "type": "string", @@ -13137,7 +13137,7 @@ }, "availabilitySet": { "$ref": "#/definitions/SubResource", - "description": "Specifies information about the availability set that the virtual machine should be assigned to. Virtual machines specified in the same availability set are allocated to different nodes to maximize availability. For more information about availability sets, see [Manage the availability of virtual machines](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-windows-manage-availability?toc=%2fazure%2fvirtual-machines%2fwindows%2ftoc.json).

    For more information on Azure planned maintenance, see [Planned maintenance for virtual machines in Azure](https://docs.microsoft.com/azure/virtual-machines/virtual-machines-windows-planned-maintenance?toc=%2fazure%2fvirtual-machines%2fwindows%2ftoc.json)

    Currently, a VM can only be added to availability set at creation time. An existing VM cannot be added to an availability set." + "description": "Specifies information about the availability set that the virtual machine should be assigned to. Virtual machines specified in the same availability set are allocated to different nodes to maximize availability. For more information about availability sets, see [Availability sets overview](https://docs.microsoft.com/azure/virtual-machines/availability-set-overview).

    For more information on Azure planned maintenance, see [Maintenance and updates for Virtual Machines in Azure](https://docs.microsoft.com/azure/virtual-machines/maintenance-and-updates)

    Currently, a VM can only be added to availability set at creation time. An existing VM cannot be added to an availability set." }, "provisioningState": { "readOnly": true,