Check group membership in Microsoft 365

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The script returns true if the target user is not a member of any of the specified groups in Microsoft 365. It should only be used in the If PowerShell script returns true condition. To execute the script, create a custom command, scheduled task or business rule configured for the User object type.

To use the script, install Microsoft.Graph on the computer where Adaxes service runs.

In the script, the $groupNames variable specifies names of the groups the user should not be a member of for the condition to be met.

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PowerShell

$groupNames = @("MyGroup1", "MyGroup2") # TODO: modify me
$Context.ConditionIsMet = $False

try
{
    # Get the object ID in Microsoft 365
    $objectId = ([Guid]$Context.TargetObject.Get("adm-O365ObjectId")).ToString()
}
catch
{
    $Context.LogMessage("The user doesn't have a Microsoft 365 account.", "Error")
    return
}

$token = ConvertTo-SecureString $Context.CloudServices.GetAzureAuthAccessToken() -AsPlainText -Force
Connect-MgGraph -AccessToken $token
foreach ($name in $groupNames)
{
    $group = Get-MgGroup -Filter "DisplayName eq '$name'"
    if ($NULL -eq $group)
    {
        $Context.LogMessage("Group with display name $name was not found. Group membership check cannot be completed.", "Error")
        return
    }
    
    $members = Get-MgGroupMember -GroupId $group.Id
    if ($members.Id -contains $objectId)
    {
        return
    }
}

$Context.ConditionIsMet = $True

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