Steve,
We are now able to connect to Kepware's at the different locations from PCo. Following were the steps we followed:
On PCo server, Navigate to Component services => My Computer =>Properties => Default Properties set the default authentication level to 'None'.
On Kepware server,
1) Navigate to Component services => My Computer => Properties => Default Properties set the default authentication level to 'None'.
2) Navigate to Component services => My Computer => DCOM Config => KEPware Enhanced OPC/DDE Server => General => set the authentication level to 'None'.
Thanks.
Regards,
Darshan Sheth