This document describes how to configure Windows NT or 2000 to enable local and remote communication using OPC.
Click here for the base (no service packs)Windows XP/2003 DCOM configuration document
Click here if you're using XP SP2 or higher or 2003 SP1 or higher
While these changes may be possible for most applications, there may be some situations where users are be unable to make the necessary changes. In these cases, MatrikonOPC recommends Matrikon OPC Tunneller.