try {
    # Import admin credentials
    $serverAddress = Get-Content -Path ".\DefaultServer.txt"
    $credential = Import-Clixml -Path ".\AdminCredential.xml"
    # Establish session with Exchange Server
    $session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri http://$serverAddress/PowerShell/ -Authentication Kerberos -Credential $credential
    Import-PSSession $session

    # Parameter from batch script
    $identity = $args[0]

    # Set unlimited mailbox size
    Set-Mailbox -Identity $identity -IssueWarningQuota Unlimited -ProhibitSendQuota Unlimited -ProhibitSendReceiveQuota Unlimited

    Write-Host "Mailbox size set to unlimited successfully for $identity!" -ForegroundColor Green

    Remove-PSSession $session
} catch {
    Write-Host "Failed to set unlimited mailbox size. Error:" -ForegroundColor Red
    Write-Host $_
}