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CWall09's avatar
CWall09
Copper Contributor
Dec 09, 2021

Need assistance bulk creating M365 Dynamic Groups and configuring mail properties via powershell

Hello community,

 

I am able to bulk create M365 Groups (static membership) via the post link here - How to bulk create Microsoft 365 groups - Microsoft Community

This uses the 'New-UnifiedGroup' command and works great for static groups.


However, I am not able to create these groups to be dynamic. For M365 Dynamic group creation, I have to use the New-AzureADMSGroup command.

 

My issue is, the 'New-AzureADMSGroup' command doesnt allow for the same settings as 'New-UnfiedGroup'.

 

For example, I want to Create Dynamic M365 Groups, along with description, sending requirements, disable welcome message, etc.

Many of these features are not available with New-AzureADMSGroup, however New-UnifiedGroup doesnt allow to create a Dynamic group (only static)

 

Do i need to create with New-UnifiedGroup, then use New-AzureADMSGroup to convert to Dynamic and finalize settings?

 

Thanks in advance!

M365
M365 Dynamic Groups
M365 Groups
powershell
  • Smith-Espina's avatar
    Smith-Espina
    Copper Contributor
    Jun 21, 2022
    Here is the command for bulk create dynamic M365 groups

    $attribute = "Department" # Change to the attribute you would like to use
    $displayNamePrefix = "M365group" # Optionally set a Prefix for the group name
    $displayNameSuffix = "Dynamic" # Optionally set a Suffix for the group name

    Connect-AzureAD

    $users = Get-AzureADUser -All $true
    $uniqueList = $users | select $attribute -Unique | ? $attribute -ne $null

    $uniqueList.($attribute) | ForEach-Object {

    Write-Host "Creating Group for $($_)"
    $cleanName = ($_) -replace '[*\\~;(%?.:@/,&+-]' -replace ' '
    $displayName = $displayNamePrefix + $cleanName + $displayNameSuffix

    $args = @{
    DisplayName = $displayName
    Description = "Dynamic Group for $($_)"
    MailEnabled = $True
    MailNickname = $displayName
    SecurityEnabled = $true
    GroupTypes = "DynamicMembership", "Unified"
    MembershipRule = "(user.$($attribute) -eq ""$($_)"")"
    MembershipRuleProcessingState = "On"
    }

    $dg = New-AzureADMSGroup @args
    Write-Host "Group Created: $displayName"
    }


    Reference:
    https://office365itpros.com/2019/06/27/creating-dynamic-office-365-group-global-administrators/

    https://martinday.co/bulk-create-dynamic-security-groups/

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