If you are using OPC Server for I/NET on a computer with Windows XP with SP2 you may have some difficulty connecting to the OPC Server from another computer.
- OPC Server for I/NET
- Windows XP SP2
Incorrect DCOM settings will prevent a connection from another PC.
- Start > Run > dcomcnfg
- Right click My Computer found under Component Services, Computers.
- Click on the COM Security tab.
- Click the Edit Limits on the Launch and Activation permissions.
Add ANONYMOUS LOGON with remote launch and remote activation permissions.