This behaviour occurs when the OPC Server is not being accessed by a licensed user, or the software is unlicensed.
1. In the Windows Start Menu open Services.2. Find the NI OPC Service, right click it and select Properties.3. Select the Log On tab.4. Select the This account option and type in the credentials for the user who is assigned the license.
6. Click Apply, then OK.
Collaborate with other users in our discussion forums
A valid service agreement may be required, and support options vary by country.