Creating a Dynamic Group using the Graph API

Azure has a very nice feature called ‘Dynamic Groups‘. We use these in our customer tenants to dynamically generate a group with actual users, excluding Guest accounts (marked with #EXT#).

As I couldn’t find any articles detailing how to create a Dynamic Group through the Graph API, I’m posting this for whoever it helps 🙂

$dynamicGroupProperties = @{
    "description" = "Dynamic Group Created through the Graph API";
    "displayName" = "Dynamic Group Created through the Graph API";
    "groupTypes" = @("DynamicMembership");
    "mailEnabled" = $False;
    "mailNickname" = "testnickname";
    "membershipRule" = "(user.userPrincipalName -notContains `"#EXT#@`") -and (user.userType -ne `"Guest`")";
    "membershipRuleProcessingState" = "On";
    "securityEnabled" = $True
}

invoke-webrequest -Headers $headerParams -uri "https://graph.microsoft.com/beta/groups" -Body (ConvertTo-Json $dynamicGroupProperties) -method POST -Verbose

If you’re not yet used to working with the Graph API, read up on how to connect to the Graph API using Powershell.

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