#region Report: All VMs including the status, and OMS workplace
$Subscriptions = Get-AzureRmSubscription | Where-Object { $_.Name -in ("SUB01","SUB02") }
$OmsWorkspaces = @()
ForEach ($Subscription in $Subscriptions) {
    $SubscriptionName = $Subscription.Name
    Set-AzureRmContext -SubscriptionName "$SubscriptionName" | Out-Null
    $OmsWorkspaces += Get-AzureRmOperationalInsightsWorkspace
}
$Report = ForEach ($Subscription in $Subscriptions) {
    $SubscriptionName = $Subscription.Name
    Set-AzureRmContext -SubscriptionName "$SubscriptionName" | Out-Null
    $RGs = Get-AzureRMResourceGroup
    foreach ($RG in $RGs) {
        $VMs = Get-AzureRmVM -ResourceGroupName $RG.ResourceGroupName
        foreach ($VM in $VMs) {
            # Query OMS Workspace
            $VM = Get-AzureRmVM -ResourceGroupName $RG.ResourceGroupName -Name $VM.Name
            $ExtensionName = $VM.Extensions | Where-Object { $_.VirtualMachineExtensionType -in ("MicrosoftMonitoringAgent", "OmsAgentForLinux") } | Select-Object -ExpandProperty Name -First 1
            if ( $ExtensionName ) {
                $ExtensionInformation = Get-AzureRmVMExtension -ResourceGroupName $VM.ResourceGroupName -VMName $VM.Name -Name $ExtensionName
                $OmsWorkspaceId = ($ExtensionInformation.PublicSettings | ConvertFrom-Json).workspaceId
                if ( $OmsWorkspaceId ) {
                    $OmsWorkspace = $OmsWorkspaces | Where-Object { $_.CustomerId -eq $OmsWorkspaceId }
                    $OmsWorkspaceName = "$($OmsWorkspace.Name)"
                } else {
                    $OmsWorkspaceName = "n/a"
                    $OmsWorkspaceId = "n/a"
                }
            } else {
                $OmsWorkspaceName = "n/a"
                $OmsWorkspaceId = "n/a"
            }
            # VM Status (running/deallocated/stopped)
            $VMDetail = Get-AzureRmVM -ResourceGroupName $RG.ResourceGroupName -Name $VM.Name -Status
            $VMStatusDetail = $VMDetail.Statuses.DisplayStatus -match "^VM .*$"
            New-Object psobject -Property @{
                "VMName"           = $VM.Name
                "OSType"           = $VM.StorageProfile.OSDisk.OSType
                "ResourceGroup"    = $RG.ResourceGroupName
                "VMStatus"         = "$VMStatusDetail"
                "SubscriptionName" = $SubscriptionName
                "OmsWorkspaceName" = $OmsWorkspaceName
                "OmsWorkspaceId"   = $OmsWorkspaceId
            }
            Remove-Variable -Name OmsWorkspaceId -ErrorAction SilentlyContinue
            Remove-Variable -Name ExtensionName -ErrorAction SilentlyContinue
        }
    }
}
# Export as XLSX file
Import-Module PSExcel
$Filename = "LogAnalytics_Report_" + (Get-Date).ToString("yyyy-MM-dd_HHmmss")
$Report | Export-XLSX -Path "~/$Filename.xlsx" -Table -Autofit

W3CIISLog
| where ( Computer matches regex "(?i)MyCoMpUtEr" )
// (?i) = Case insensitive

Test-AzureRmPrivateIPAddressAvailability