1# Load the PowerCLI SnapIn and set the configuration
 2Add-PSSnapin VMware.VimAutomation.Core -ea "SilentlyContinue"
 3Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false | Out-Null
 4
 5# Get the vCenter Server address, username and password as PSCredential
 6$vCenterServer = Read-Host "Enter vCenter Server host name (DNS with FQDN or IP address)"
 7$vCenterUser = Read-Host "Enter your user name (DOMAIN\User or [email protected])"
 8$vCenterUserPassword = Read-Host "Enter your password (this will be converted to a secure string)" -AsSecureString:$true
 9$Credentials = New-Object System.Management.Automation.PSCredential -ArgumentList $vCenterUser,$vCenterUserPassword
10
11# Connect to the vCenter Server with collected credentials
12Connect-VIServer -Server $vCenterServer -Credential $Credentials | Out-Null
13Write-Host "Connected to your vCenter server $vCenterServer" -ForegroundColor Green
14
15Add-PSSnapin VMware.VimAutomation.Core -ea "SilentlyContinue"
16Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false | Out-Null
17
18
19
20$vms = Get-VM
21
22
23$vmInfo = @()
24
25foreach ($vm in $vms) {
26   
27    $networkAdapters = Get-NetworkAdapter -VM $vm
28    
29    foreach ($adapter in $networkAdapters) {
30        $portID = $adapter.ExtensionData.Backing.Port.PortKey
31        
32        # Only process if the portID starts with "c-"
33        if ($portID -and $portID.StartsWith("c-")) {
34            # Create a custom object with VM and port information
35            $vmData = [PSCustomObject]@{
36                VMName = $vm.Name
37                PowerState = $vm.PowerState
38                NetworkName = $adapter.NetworkName
39                PortID = $portID
40            }
41            
42            # Add the object to the array
43            $vmInfo += $vmData
44        }
45    }
46}
47
48
49$vmInfo | Export-Csv -Path "C:\source\VMPortInfo.csv" -NoTypeInformation

 1# Load the PowerCLI SnapIn and set the configuration
 2Add-PSSnapin VMware.VimAutomation.Core -ea "SilentlyContinue"
 3Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false | Out-Null
 4
 5# Get the vCenter Server address, username and password as PSCredential
 6$vCenterServer = Read-Host "Enter vCenter Server host name (DNS with FQDN or IP address)"
 7$vCenterUser = Read-Host "Enter your user name (DOMAIN\User or [email protected])"
 8$vCenterUserPassword = Read-Host "Enter your password (this will be converted to a secure string)" -AsSecureString:$true
 9$Credentials = New-Object System.Management.Automation.PSCredential -ArgumentList $vCenterUser,$vCenterUserPassword
10
11# Connect to the vCenter Server with collected credentials
12Connect-VIServer -Server $vCenterServer -Credential $Credentials | Out-Null
13Write-Host "Connected to your vCenter server $vCenterServer" -ForegroundColor Green
14
15
16# Get all VMs with portID starting with "c-"
17$problematicVMs = Get-VM | Get-NetworkAdapter | Where-Object { $_.ExtensionData.Backing.Port.PortKey -like "c-*" } | Select-Object -ExpandProperty Parent -Unique
18
19# Print out the VMs with problematic portIDs
20Write-Host "VMs with portID 'c-':"
21$problematicVMs | ForEach-Object { Write-Host $_.Name }
22
23# Ask for confirmation to fix the issues
24$confirmation = Read-Host "Do you want to fix those issues for the following VMs - resulting in 5sec Network Connectivity loss? (yes/no)"
25
26if ($confirmation -eq "yes") {
27    foreach ($vm in $problematicVMs) {
28        Write-Host "Processing $($vm.Name)..."
29        
30        # Disconnect the network adapter
31        Get-NetworkAdapter -VM $vm | Where-Object { $_.ExtensionData.Backing.Port.PortKey -like "c-*" } | Set-NetworkAdapter -Connected $false -Confirm:$false
32        
33        # Wait for 5 seconds
34        Start-Sleep -Seconds 5
35        
36        # Reconnect the network adapter
37        Get-NetworkAdapter -VM $vm | Where-Object { $_.ExtensionData.Backing.Port.PortKey -like "c-*" } | Set-NetworkAdapter -Connected $true -Confirm:$false
38        
39        Write-Host "Fixed network adapter for $($vm.Name)"
40    }
41    
42    # List all affected VMs
43    Write-Host "Affected VMs:"
44    $problematicVMs | ForEach-Object { Write-Host $_.Name }
45    
46    # Option to read out IP and ping VMs
47    $pingOption = Read-Host "Do you want to read out IPs and ping the affected VMs? (yes/no)"
48    
49    if ($pingOption -eq "yes") {
50        foreach ($vm in $problematicVMs) {
51            $ip = $vm.Guest.IPAddress[0]
52            if ($ip) {
53                Write-Host "$($vm.Name) IP: $ip"
54                $pingResult = Test-Connection -ComputerName $ip -Count 1 -Quiet
55                if ($pingResult) {
56                    Write-Host "Ping successful for $($vm.Name)"
57                } else {
58                    Write-Host "Ping failed for $($vm.Name)"
59                }
60            } else {
61                Write-Host "Unable to retrieve IP for $($vm.Name)"
62            }
63        }
64    }
65} else {
66    Write-Host "Operation cancelled. No changes were made."
67}