Remote Communication
If XLReporter is not installed on the same machine as the OPC HDA Server, the XLReporter machine must have the OPC Core Components installed.
To determine if the core components are installed verify the following file exists:
C:\Windows\SysWow64\OPCEnum.exe (64-bit OS)
C:\Windows\system32\OPCEnum.exe (32-bit OS)
If the components are not installed, then they are provided in the tools folder of the installation or from www.opcfoundation.org.