Issue
OPCEnum not at remote OPC server
Environment
Vista OPC Server
Cause
Some times the OPCEnum will not exist on remote PC with server installed. In this case, Vista can not find the OPC server and DCOM can not be configured for OPCEnum.
Resolution
Download and install this small package, and you will have OPCEnum installed. http://ftp.softwaretoolbox.com/support/updates/OPCEnumInst.exe