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Load Balancer Nat Pool Migration
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This page contains Windows bias

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This page is part of the Azure documentation. It contains code examples and configuration instructions for working with Azure services.
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Bias Analysis

Detected Bias Types
powershell_heavy
windows_tools
windows_first
missing_linux_example
Summary
The documentation demonstrates a Windows bias by providing extensive PowerShell-based instructions and automation, referencing Windows-specific tools and modules, and omitting Linux-specific guidance. PowerShell is featured heavily, including for automation and module installation, with no mention of Bash scripting, Cloud Shell, or Linux-native automation. Prerequisites and upgrade steps reference PowerShell and its modules exclusively. While Azure CLI examples are present, there are no Linux shell or cross-platform scripting examples, and PowerShell is often mentioned first or exclusively for advanced scenarios.
Recommendations
  • Provide equivalent Bash or shell script automation for migration tasks, especially for Virtual Machine Scale Set automation.
  • Reference Azure CLI and cross-platform tools first or alongside PowerShell in all sections, including prerequisites and automation.
  • Include instructions for installing and using Azure CLI and relevant extensions on Linux/macOS.
  • Offer guidance for Linux users on how to perform module-based automation, or clarify if certain modules are Windows-only.
  • Mention and demonstrate use of Azure Cloud Shell, which supports both Bash and PowerShell, to encourage platform-neutral approaches.
  • Ensure that all advanced automation steps have CLI or REST API equivalents, and document them.
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Scan History

Date Scan Status Result
2026-01-14 00:00 #250 in_progress Biased Biased
2026-01-13 00:00 #246 completed Biased Biased
2026-01-11 00:00 #240 completed Biased Biased
2026-01-10 00:00 #237 completed Biased Biased
2026-01-09 00:34 #234 completed Biased Biased
2026-01-08 00:53 #231 completed Biased Biased
2026-01-06 18:15 #225 cancelled Clean Clean
2025-08-17 00:01 #83 cancelled Clean Clean
2025-07-13 21:37 #48 completed Clean Clean
2025-07-12 23:44 #41 cancelled Biased Biased
2025-07-09 13:09 #3 cancelled Clean Clean
2025-07-08 04:23 #2 cancelled Clean Clean

Flagged Code Snippets

# Install the AzureLoadBalancerNATPoolMigration module

Install-Module -Name AzureLoadBalancerNATPoolMigration -Scope CurrentUser -Repository PSGallery -Force 

$slb = Get-AzLoadBalancer -Name "MyLoadBalancer" -ResourceGroupName "MyResourceGroup" 

Remove-AzLoadBalancerInboundNatRuleConfig -Name "myinboundnatrule" -LoadBalancer $loadbalancer 

Set-AzLoadBalancer -LoadBalancer $slb 

$nic = Get-AzNetworkInterface -Name "myNIC" -ResourceGroupName "MyResourceGroup" 

$nic.IpConfigurations[0].LoadBalancerInboundNatRule  = $null 

Set-AzNetworkInterface -NetworkInterface $nic

$slb | Add-AzLoadBalancerInboundNatRuleConfig -Name "NewNatRuleV2" -FrontendIPConfiguration $slb.FrontendIpConfigurations[0] -Protocol "Tcp" -FrontendPortRangeStart 201-FrontendPortRangeEnd 500 -BackendAddressPool $slb.BackendAddressPools[0] -BackendPort 22
$slb | Set-AzLoadBalancer



# Remove the Inbound NAT rule

$slb = Get-AzLoadBalancer -Name "MyLoadBalancer" -ResourceGroupName "MyResourceGroup" 

Remove-AzLoadBalancerInboundNatPoolConfig -Name myinboundnatpool -LoadBalancer $slb 

Set-AzLoadBalancer -LoadBalancer $slb 

# Remove the Inbound NAT pool association 

$vmss = Get-AzVmss -ResourceGroupName "MyResourceGroup" -VMScaleSetName "MyVMScaleSet" 

$vmss.VirtualMachineProfile.NetworkProfile.NetworkInterfaceConfigurations[0].IpConfigurations[0].loadBalancerInboundNatPools = $null 

# Upgrade all instances in the VMSS 

Update-AzVmssInstance -ResourceGroupName $resourceGroupName -VMScaleSetName $vmssName -InstanceId "*"

$slb | Add-AzLoadBalancerInboundNatRuleConfig -Name "NewNatRuleV2" -FrontendIPConfiguration $slb.FrontendIpConfigurations[0] -Protocol "Tcp" -FrontendPortRangeStart 201-FrontendPortRangeEnd 500 -BackendAddressPool $slb.BackendAddressPools[0] -BackendPort 22
$slb | Set-AzLoadBalancer
 

    # Run the migration command 
    
    Start-AzNATPoolMigration -ResourceGroupName <loadBalancerResourceGroupName> -LoadBalancerName <loadBalancerName>