Rework into a single script for creating port groups

common/Create-PortGroups.ps1

@@ -0,0 +1,45 @@
+<#
+Creates PG-VLAN port groups on a vSwitch.
+
+Required parameter:
+  -SwitchName   Name of the existing standard vSwitch.
+
+Example:
+  .\Create-PortGroups.ps1 -SwitchName vSwitch0
+#>
+[CmdletBinding()]
+param(
+    [Parameter(Mandatory = $true)]
+    [string]$SwitchName
+)
+
+$ErrorActionPreference = 'Stop'
+
+$portGroups = @(
+    @{ Name = 'PG-VLAN10';   VlanId = 10   },
+    @{ Name = 'PG-VLAN11';   VlanId = 11   },
+    @{ Name = 'PG-VLAN12';   VlanId = 12   },
+    @{ Name = 'PG-VLAN20';   VlanId = 20   },
+    @{ Name = 'PG-VLAN21';   VlanId = 21   },
+    @{ Name = 'PG-VLAN23';   VlanId = 23   },
+    @{ Name = 'PG-VLAN30';   VlanId = 30   },
+    @{ Name = 'PG-VLAN51';   VlanId = 51   },
+    @{ Name = 'PG-VLAN114';  VlanId = 114  },
+    @{ Name = 'PG-VLAN211';  VlanId = 211  },
+    @{ Name = 'PG-VLAN1130'; VlanId = 1130 },
+    @{ Name = 'PG-VLAN1138'; VlanId = 1138 }
+)
+
+$switch = Get-VirtualSwitch -Name $SwitchName -ErrorAction Stop
+
+foreach ($pg in $portGroups) {
+    $existing = Get-VirtualPortGroup -VirtualSwitch $switch -Name $pg.Name -ErrorAction SilentlyContinue
+
+    if ($existing) {
+        Write-Host "$($pg.Name) already exists"
+        continue
+    }
+
+    New-VirtualPortGroup -VirtualSwitch $switch -Name $pg.Name -VLanId $pg.VlanId | Out-Null
+    Write-Host "Created $($pg.Name) with VLAN $($pg.VlanId)"
+}