You may be able to deploy the Mcafee ePO client to PC's but it may not be able to communicate with the server. The following script adds the needed exception to the Windows firewall so that it may establish communication. This script can also be easily modified to allow the import of any registry value with a little effort.
' Windows firewall fix for EPO Agent ' v 1.0 ' Aspen Skiens ' 4/24/09 ' ----------------------------------------' Option Explicit Dim objShell Dim strValue, strData, strWinKey, strKeyType ' Set the string values ' Set Data Value strValue = "8081:TCP:*:enabled:ePOUpdate" ' Set Data strData = "8081:TCP:*:enabled:ePOUpdate" ' Set Key strWinKey = "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile\GloballyOpenPorts\List\" ' Set Key type strKeyType = "REG_SZ" ' Create the Shell object Set objShell = CreateObject("WScript.Shell") ' Add the registry entry to add the exception objShell.RegWrite strWinKey & strValue, strData, strKeyType ' Close script WScript.Quit