Update the uplink of all portgroups on a DVS to a lag.

vCenter_Portgroups_DVS_LAG.ps1

# Move vCenter Portgroup Uplinks to DVS LAG
# Jan Gilla / www.jangilla.de

$Settings_vCenter = ''
$Settings_vCenter_User = ''
$Settings_vCenter_Password = ''
$Settings_vCenter_DVS = 'dS-FRA1'
$Settings_vCenter_Uplink = 'lag1'

# Connect to vCenter
$vCenter = Connect-VIServer -Server $Settings_vCenter -User $Settings_vCenter_User -Password $Settings_vCenter_Password
if($vCenter){
    Write-Host "Connection to vCenter ($Settings_vCenter) successfull..."
    # Search DVS in vCenter
    $dVS = Get-VDSwitch -Name $Settings_vCenter_DVS
    if($dVS){
        Write-Host "Found DVS ($Settings_vCenter_DVS) in vCenter..."
        # Find Portgroup in DVS
        $portGroups = Get-VDPortgroup -VDSwitch $dVS
        if($portGroups -and $portGroups.Count){
            Write-Host "Found"$portGroups.Count"portgroups on the DVS..."
            # Iterate through the portgroups
            foreach($portGroup in $portGroups){
                # Don't update VXLAN portgroups and uplink portgroup
                if(-not $portGroup.Name.StartsWith("vxw-") -and -not $portGroup.Name.StartsWith($Settings_vCenter_DVS)){
                    # Fetch portgroup Teaming and Failover policy
                    $portgroup_tpls = Get-VDUplinkTeamingPolicy -VDPortgroup $portGroup
                    # Check if uplink is correct
                    if(-not $portgroup_tpls.ActiveUplinkPort.Contains($Settings_vCenter_Uplink)){
                        # Remove "Uplink 1" and set 'lag1' as active uplink
                        if(Set-VDUplinkTeamingPolicy -UnusedUplinkPort 'Uplink 1' -ActiveUplinkPort $Settings_vCenter_Uplink -LoadBalancingPolicy LoadBalanceSrcId -Policy $portgroup_tpls){
                            Write-Host "Updated portgroup:"$portGroup.Name
                        }
                    }
                }
            }
        }
    }
}