Review draft: This article is part of the Radian Generation IT Support knowledge-base build and should be reviewed before production rollout.
Collect the following information when an OPC connection appears unavailable, degraded, or unable to provide expected data.
Include
- Site and affected application/system.
- OPC server/client name, if known.
- Whether all tags/points are affected or only some.
- Approximate time the issue began.
- Exact error message or status shown.
- Whether other site communications are working.
- Screenshots or approved logs, if available.
- Any recent approved server, application, or network change.
Do not change OPC, DCOM, firewall, service-account, or network configuration unless directed through an approved procedure.
If you still need help
Continue with the IT Support request and include the information above. Attach screenshots or logs when they help show the issue.
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