Azure ARM 的 Windows 虚拟机如果将网卡禁用会直接导致无法连接。
解决方法是将网卡的内网IP地址设置为静态地址，将地址的值修改为子网下的另外一个未使用的地址即可。保存设置后，这个操作会为虚拟机分配一个新的网卡。
除了上面简单的方法外，还可以使用下面的脚本进行网卡重置，脚本本身相对于上面的操作要复杂的多，之所以写出来，主要是方便更为深入的理解 ARM 模式下各个功能组件互相之间的关联关系。
脚本如下：
param(#The name of the subscription to take all the operations within. [Parameter(Mandatory = $true)] [string]$SubscriptionName, # Resource Group Name[Parameter(Mandatory = $true)][string]$ResourceGroupName,# Virtual Machine Name[Parameter(Mandatory = $true)][string]$VMName
)Function GetResourceNameFromResourceId($resourceId)
{return $resourceId.Substring($resourceId.LastIndexOf('/')+1);
}Function GetResourcePropertyFromResourceId($resourceId, $propertyName)
{$propertyName = $propertyName + "/";$rgName = $resourceId.Substring($resourceId.IndexOf($propertyName)+$propertyName.Length);return $rgName.Substring(0, $rgName.IndexOf("/"));
}Function RebuildVirtualMachineNetworkInterface() {Write-Host "Collecting Virtual Machine Information...";$vm = Get-AzureRmVM -ResourceGroupName $ResourceGroupName -Name $VMName;$oldNicId = $vm.NetworkProfile.NetworkInterfaces[0].Id;if ($oldNicId -eq $null){Write-Host "Failed to get network interface of the virtual machine.";return;}$oldNicName = GetResourceNameFromResourceId $oldNicId;$oldNicResourceGroup = GetResourcePropertyFromResourceId $oldNicId "resourceGroups";$oldNic = Get-AzureRmNetworkInterface -Name $oldNicName -ResourceGroupName $oldNicResourceGroup;Write-Host "Network interface information collected.";Write-Host "Network interface name:" $oldNicName;Write-Host "Network interface resource group name:" $oldNicResourceGroup;$oldPublicIPId = $oldNic.IpConfigurations[0].PublicIpAddress.Id;if ($oldPublicIPId -eq $null){Write-Host "Failed to get public ip of the virtual machine.";}$oldPublicIPName = GetResourceNameFromResourceId $oldPublicIPId;$oldPublicIPResourceGroup = GetResourcePropertyFromResourceId $oldPublicIPId "resourceGroups";$oldPublicIP = Get-AzureRmPublicIpAddress -Name $oldPublicIPName -ResourceGroupName $oldPublicIPResourceGroup;Write-Host "Public ip information collected.";Write-Host "Public ip name:" $oldPublicIPName;Write-Host "Public ip resource group name:" $oldPublicIPResourceGroup;if ($oldPublicIP.PublicIpAllocationMethod -eq "Dynamic"){$oldPublicIP.PublicIpAllocationMethod = "Static";[void]($oldPublicIP | Set-AzureRmPublicIpAddress);Write-Host "Successfully set current public ip address to 'Static'";}$subnetId = $oldNic.IpConfigurations[0].Subnet.Id;if ($subnetId -eq $null){Write-Host "Failed to get vnet information of the virtual machine.";}$subnetName = GetResourceNameFromResourceId $subnetId;$vnetName = GetResourcePropertyFromResourceId $subnetId "virtualNetworks";$vnetResourceGroup = GetResourcePropertyFromResourceId $subnetId "resourceGroups";$vnet = Get-AzureRmVirtualNetwork -Name $vnetName -ResourceGroupName $vnetResourceGroup;$subnet = Get-AzureRmVirtualNetworkSubnetConfig -Name $subnetName -VirtualNetwork $vnet;$location = $vnet.Location;Write-Host "Vnet information collected.";Write-Host "Vnet name:" $vnetName;Write-Host "Subnet name:" $subnetName;Write-Host "Vnet resource group name:" $vnetResourceGroup;Write-Host "Location:" $location;Write-Host "Renewing network interface...";$newPublicIP = New-AzureRmPublicIpAddress -Name ($oldPublicIP.Name + "Renewed") -ResourceGroupName $vnetResourceGroup -Location $location -AllocationMethod Dynamic;$oldNic.IpConfigurations[0].PublicIpAddress = $newPublicIP;[void]($oldNic | Set-AzureRmNetworkInterface);Write-Host "Finished deassociate old network interface";$oldPrivateIP = $oldNic.IpConfigurations[0].PrivateIpAddress;Write-Host "Old private ipaddress copied";Write-Host "Creating a new network interface";$newNic = $null;if ($oldNic.NetworkSecurityGroup -eq $null){$newNic = New-AzureRmNetworkInterface -Name ($oldNic.Name + "Renewed") -ResourceGroupName $oldNicResourceGroup -Location $location -SubnetId $subnetId -PublicIpAddressId $oldPublicIP.Id;} else {$nicNsg = $oldNic.NetworkSecurityGroup;$newNic = New-AzureRmNetworkInterface -Name ($oldNic.Name + "Renewed") -ResourceGroupName $oldNicResourceGroup -Location $location -SubnetId $subnetId -PublicIpAddressId $oldPublicIP.Id -NetworkSecurityGroupId $nicNsg.Id;}Write-Host "Finished new network interface creation";[void](Remove-AzureRmVMNetworkInterface -VM $vm -NetworkInterfaceIDs $vm.NetworkProfile.NetworkInterfaces[0].Id);[void](Add-AzureRmVMNetworkInterface -VM $vm -Id $newNic.Id -Primary);[void](Update-AzureRmVM -VM $vm -ResourceGroupName $ResourceGroupName);Write-Host "Finished renewing network interface";Write-Host "Deleting old network interface";# Remove old NIC[void](Remove-AzureRmNetworkInterface -Name $oldNic.Name -ResourceGroupName $oldNicResourceGroup -Force);[void](Remove-AzureRmPublicIpAddress -Name $newPublicIP.Name -ResourceGroupName $newPublicIP.ResourceGroupName -Force);Write-Host "Old network interface deleted";Write-Host "Reset private ip address";$newNic = Get-AzureRmNetworkInterface -Name $newNic.Name -ResourceGroupName $newNic.ResourceGroupName;$newNic.IpConfigurations[0].PrivateIpAddress = $oldPrivateIP;$newNic.IpConfigurations[0].PrivateIpAllocationMethod = "Static";[void]($newNic | Set-AzureRmNetworkInterface);Write-Host "Succeeded";
}[void](Select-AzureRmSubscription -SubscriptionName $SubscriptionName);RebuildVirtualMachineNetworkInterface;
脚本运行示例：
PS C:\Users\DanielHX> &.\[ARM]rebuild_virtualmachine_networkinterface.ps1 -SubscriptionName XXXXXXXXXXX -ResourceGroupName XXXXXX -VMName XXXXXXXX
Collecting Virtual Machine Information...
Network interface information collected.
Network interface name: danserver2012r2629Renewed
Network interface resource group name: DanEastResourceGroup1
Public ip information collected.
Public ip name: DanServer2012R2ip956
Public ip resource group name: DanEastResourceGroup1
Vnet information collected.
Vnet name: DanEastVNET
Subnet name: Subnet-1
Vnet resource group name: DanEastResourceGroup1
Location: chinaeast
Renewing network interface...
Finished deassociate old network interface
Old private ipaddress copied
Creating a new network interface
Finished new network interface creation
Finished renewing network interface
Deleting old network interface
Old network interface deleted
Reset private ip address
Succeeded
PS C:\Users\DanielHX>
脚本运行后，虚拟机网卡会重新生成，原公网IP和内网IP不会发生变化。
??
??
??