Get-MgmtGraphUserManager

MgmtGraph: Audits the manager of a Microsoft Graph user

Script

#Requires -Version 5.1
#Requires -Modules Microsoft.Graph.Users

[CmdletBinding()]
Param (
    [Parameter(Mandatory = $true, Position = 0)]
    [string]$Identity
)

Process {
    try {
        $manager = Get-MgUserManager -UserId $Identity -ErrorAction Stop
        
        if ($manager) {
            $managerDetails = Get-MgUser -UserId $manager.Id -Property @('DisplayName', 'Id', 'UserPrincipalName', 'Mail', 'JobTitle', 'Department') -ErrorAction Stop
            
            $result = [PSCustomObject]@{
                UserIdentity      = $Identity
                ManagerDisplayName = $managerDetails.DisplayName
                ManagerUPN         = $managerDetails.UserPrincipalName
                ManagerId          = $managerDetails.Id
                ManagerMail        = $managerDetails.Mail
                ManagerJobTitle    = $managerDetails.JobTitle
                Timestamp          = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
            }
            Write-Output $result
        }
        else {
            Write-Warning "No manager assigned for user '$Identity'."
        }
    }
    catch {
        throw
    }
}

Customize

Identity string

Specifies the UserPrincipalName or ID of the user whose manager is to be retrieved.