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  • KQL To List DCRs To Log Analytics Workspace

    Resources | where type == “microsoft.insights/datacollectionrules” | join kind=inner (     resourcecontainers     | where type == “microsoft.resources/subscriptions”     | project subscriptionId, SubscriptionName = name ) on subscriptionId | extend laDestinations = properties.destinations.logAnalytics | mv-expand laDestinations | extend WorkspaceResourceId = tostring(laDestinations.workspaceResourceId) | extend WorkspaceName = split(WorkspaceResourceId, “/”)[-1] | extend TargetResourcesRaw = properties.targetResources | mv-expand TargetResourcesRaw to typeof(string) | extend ConnectedResourceName = split(TargetResourcesRaw, “/”)[-1] | project      DCRName = name,     SubscriptionName,     WorkspaceName,     SubscriptionId,     ResourceGroup = resourceGroup,     Location = location,     DataSources = properties.dataSources,     ConnectedResourceName

    premkumarsubramaniyan

    October 1, 2025
    Azure Security
  • Steps To Get Az Activity Across All Subscriptions

    # Login to Azure Connect-AzAccount # Define time range $startTime = (Get-Date).AddDays(-10) # Initialize array to collect results $allLogs = @() # Get all subscriptions $subscriptions = Get-AzSubscription foreach ($sub in $subscriptions) {     $subscriptionId = $sub.Id     $subscriptionName = $sub.Name     Select-AzSubscription -SubscriptionId $subscriptionId     # Get all role assignments at subscription scope    …

    premkumarsubramaniyan

    August 11, 2025
    Azure Security
    azure, cloud, microsoft, powershell, technology
  • Steps To Get All AZ Roles in All Subcriptions

    Connect-AzAccount # Prepare results array and output path $results = @() $outputFile = “C:\Temp\AzureRoleAssignments_Combined.csv” if (Test-Path $outputFile) { Remove-Item $outputFile } # Loop through subscriptions $subscriptions = Get-AzSubscription foreach ($subscription in $subscriptions) {     Write-Host “Processing subscription: $($subscription.Name)”     Set-AzContext -SubscriptionId $subscription.Id     # — Permanent Assignments —     $permanentAssignments = Get-AzRoleAssignment     foreach ($assignment…

    premkumarsubramaniyan

    August 11, 2025
    azure, cloud, microsoft, powershell, security
  • KQL To Pull LogType, Resourcename, LogsVolume From LogAnalytics Workspace

    union withsource=LogTable *| where TimeGenerated > ago(60d)| extend ResourceId = tostring(parse_json(tostring(_ResourceId)))| extend ResourceName = tostring(split(ResourceId, “/”)[8])| extend ResourceType = case(LogTable in (“Heartbeat”, “Perf”, “InsightsMetrics”, “Syslog”, “SecurityEvent”, “VMConnection”, “Update”), “Virtual Machine”,LogTable startswith “App”, “Application”,LogTable in (“CommonSecurityLog”, “AzureDiagnostics”), “Firewall”,“Other”)| summarizeLogCount = count(),IngestedVolumeMB = sum(_BilledSize) / 1024.0,TotalBilledVolumeMB = sum(_BilledSize) / 1024.0 // Same as IngestedVolumeMB unless raw size…

    premkumarsubramaniyan

    August 4, 2025
    Active Directory
    Azure Security
  • GET EXO MAILBOX PERMISSION For All users

    Access rights showed as System.Collections.ArrayList in csv. you have to use use ‘-join’ for the array. Get-exoMailbox -ResultSize unlimited | Get-EXOMailboxPermission | Select Identity, User, Deny,@{n=’AccessRights’;e={$_.AccessRights -join “;”}}, IsInherited| Where {($_.user -ne “NT AUTHORITY\SELF”)}| Export-Csv “filpath\filename$(Get-Date -Format ‘dd_MM_yyyy HH_mm tt’).csv” -NoTypeInformation using filter Get-exoMailbox -ResultSize unlimited -Properties identity,RecipientTypeDetails,mailboxplan | Where-Object {($_.MailboxPlan -like “ExchangeOnlineEnterprise-*“) } |…

    premkumarsubramaniyan

    November 29, 2022
    Exchange online
  • AD Group Membership

    Get-ADGroup -Identity “abc” -Properties * | Select -ExpandProperty member

    premkumarsubramaniyan

    November 16, 2022
    Active Directory
  • Get Members From Dynamic DLs in Office365

    $FTE = Get-DynamicDistributionGroup “Branding Campaign Team”; Get-Recipient -RecipientPreviewFilter $FTE.RecipientFilter | Export -CSV “D:\DGList.csv” $FTE = Get-DynamicDistributionGroup “Branding Campaign Team”; Get-Recipient -RecipientPreviewFilter $FTE.RecipientFilter | Select Displayname

    premkumarsubramaniyan

    November 10, 2022
    Active Directory
    Office365
  • Add Message Options to Outlook Quick Access Toolbar

    no need to double click on email properties for message headers Outlook 365 –> options –> Quick Access Toolbar item –>  select choose All Commands in “choose commands from” under customize toolbar –> select message options –> add –> OK

    premkumarsubramaniyan

    November 8, 2022
    Outllook365
  • Report on Recoverable Items

    $users = Get-Mailbox -ResultSize Unlimited -Filter {LitigationHoldEnabled -eq $true} $colusers=@() [string]$LogFile = “Path\filename-$(Get-Date -Format ‘dd_MM_yyyy HH_mm tt’).csv” # Path of the Log File Add-Content $LogFile (“Mailbox” + “;” +” Item Count”); $users | ForEach-Object { Start-Sleep -Milliseconds 1000 $Identity = $_.WindowsEmailAddress Write-host “working on:” $Identity $colUsers = (Get-MailboxFolderStatistics -Identity $identity | where {$_.name -eq ‘Recoverable…

    premkumarsubramaniyan

    September 16, 2022
    Exchange online
  • Add External domains to the existing Allowed Domains For Teams

    Add domains to the existing Allowed Domains First, a List is created and domains are added to it, then use the Add method in the AllowedDomainsAsAList parameter to add the domains to the existing allowed domains list. When this command completes, the domains in the list will be added to any domains already on the…

    premkumarsubramaniyan

    August 11, 2022
    MicrosoftTeams
    Microsoft Teams
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