agentName = "System Probe Drop Smtp Agent"; $agentFactory = "Microsoft.Exchange.Transport.Agent.SystemProbeDrop.SystemProbeDropSmtpAgentFactory"; ...

$agentName = "System Probe Drop Smtp Agent";                    $agentFactory = "Microsoft.Exchange.Transport.Agent.SystemProbeDrop.SystemProbeDropSmtpAgentFactory";                    $agentAssembly = ($RoleInstallPath + "TransportRoles\agents\SystemProbeDrop\Microsoft.Exchange.Transport.Agent.SystemProbeDrop.dll");                    $agent = get-transportagent -Identity:$agentName;                    if ($agent)                     {                        uninstall-transportagent -Identity:$agentName;                    };                    install-TransportAgent -Name:$agentName -TransportAgentFactory:$agentFactory -AssemblyPath:$agentAssembly;                    if ($agent.enabled -or ! $agent)                     {                         enable-transportagent -Identity:$agentName                     };