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PI Interface for OPC Alarms and Events

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PI Trust for Interface Authentication

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  • Last UpdatedOct 20, 2026
  • 1 minute read

A PI Interface usually runs on an interface node as a Windows service, which is a non- interactive environment. In order for an interface to authenticate itself to a PI Data Archive and obtain the access permissions for proper operation, the PI Data Archive must have a PI trust that matches the connection credentials of the interface.

Determine if a suitable PI trust for the interface exists on the PI Data Archive.