This command updates the virtual machine, $VirtualMachine, in ResourceGroup11.
The command updates it by using the virtual machine object stored in the $VirtualMachine variable.
To obtain a virtual machine object, use the Get-AzVM cmdlet.
Example 2: Update a virtual machine to disable hyperthreading.
$resourceGroupName = 'Resource Group Name>'
$vmname = 'Virtual Machine Name';
$domainNameLabel = "d1" + $rgname;
$vCPUsCoreInitial = 2;
$vCPUsAvailableInitial = 4;
$vCPUsCore1 = 1;
$vCPUsAvailable1 = 1;
$vmSize = 'Standard_D4s_v4';
$securePassword = ConvertTo-SecureString -String "****" -AsPlainText -Force;
$user = "user";
$cred = New-Object System.Management.Automation.PSCredential ($user, $securePassword);
$vm = New-AzVM -ResourceGroupName $rgname -Name $vmname -Credential $cred -DomainNameLabel $domainNameLabel -Size $vmSize -vCPUCountPerCore $vCPUsCoreInitial -vCPUCountAvailable $vCPUsAvailableInitial;
# The $vm.HardwareProfile.VmSizeProperties.VCPUsPerCore property is 2, and the $vm.HardwareProfile.VmSizeProperties.VCPUsAvailable property is 4.
Update-AzVM -ResourceGroupName $rgname -VM $vm -vCPUCountAvailable $vCPUsAvailable1 -vCPUCountPerCore $vCPUsCore1;
# The $vm.HardwareProfile.VmSizeProperties.VCPUsPerCore property is 1, and the $vm.HardwareProfile.VmSizeProperties.VCPUsAvailable property is 1.
# Hyperthreading is now disabled for this VM.
Parameters
-AlignRegionalDisksToVMZone
Specifies whether the regional disks should be aligned/moved to the VM zone. This is applicable only for VMs with placement property set. Please note that this change is irreversible.
EncryptionAtHost property can be used by user in the request to enable or disable the Host Encryption for the virtual machine or virtual machine scale set.
This will enable the encryption for all the disks including Resource/Temp disk at host itself.
Specifies the list of user identities associated with the virtual machine.
The user identity references will be ARM resource IDs in the form: '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ManagedIdentity/identities/{identityName}'
used to make a request conditional for the PUT and other non-safe methods. The server will only return the requested resources if the resource matches one of the listed ETag values. Omit this value to always overwrite the current resource. Specify the last-seen ETag value to prevent accidentally overwriting concurrent changes.
Used to make a request conditional for the GET and HEAD methods. The server will only return the requested resources if none of the listed ETag values match the current entity. Used to make a request conditional for the GET and HEAD methods. The server will only return the requested resources if none of the listed ETag values match the current entity. Set to '*' to allow a new record set to be created, but to prevent updating an existing record set. Other values will result in error from server as they are not supported.
Specifies the maximum price you are willing to pay for a low priority VM/VMSS. This price is in US Dollars. This price will be compared with the current low priority price for the VM size. Also, the prices are compared at the time of create/update of low priority VM/VMSS and the operation will only succeed if the maxPrice is greater than the current low priority price. The maxPrice will also be used for evicting a low priority VM/VMSS if the current low priority price goes beyond the maxPrice after creation of VM/VMSS. Possible values are: any decimal value greater than zero. Example: 0.01538. -1 indicates that the low priority VM/VMSS should not be evicted for price reasons. Also, the default max price is -1 if it is not provided by you.
Starts the operation and returns immediately, before the operation is completed. In order to determine if the operation has successfully been completed, use some other mechanism.
Specifies the SecurityType of the virtual machine. It has to be set to any specified value to enable UefiSettings. By default, UefiSettings will not be enabled unless this property is set.
Specifies the resources and resource groups can be tagged with a set of name-value pairs.
Adding tags to resources enables you to group resources together across resource groups and to create your own views.
Each resource or resource group can have a maximum of 15 tags.
The flag that enables or disables a capability to have one or more managed data disks with UltraSSD_LRS storage account type on the VM.
Managed disks with storage account type UltraSSD_LRS can be added to a virtual machine only if this property is enabled.
Specifies the number of vCPUs available for the VM. When this property is not specified in the request body the default behavior is to set it to the value of vCPUs available for that VM size exposed in api response of List all available virtual machine sizes in a region.
Specifies the vCPU to physical core ratio. When this property is not specified in the request body the default behavior is set to the value of vCPUsPerCore for the VM Size exposed in api response of List all available virtual machine sizes in a region. Setting this property to 1 also means that hyper-threading is disabled.
Specifies a local virtual machine object.
To obtain a virtual machine object, use the Get-AzVM cmdlet.
This virtual machine object contains the updated state for the virtual machine.
This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable,
-InformationAction, -InformationVariable, -OutBuffer, -OutVariable, -PipelineVariable,
-ProgressAction, -Verbose, -WarningAction, and -WarningVariable. For more information, see
about_CommonParameters.
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