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Status Planned
Product AVEVA™ Adapters
Categories AVEVA Adapter for OPC UA
Created by Guest
Created on Jun 25, 2025

RELATED IDEAS

Add an option to disable endpoint validation between results of GetEndpoints and CreateSession

As discussed in OPC UA Adapter - Mismatch of Endpoints returned by GetEndpoints and CreateSession, in the OPC UA SDK 4.1.0+ endpoint validation was added to compare results returned in responses to GetEndpoints and CreateSession requests. The OPC UA Adapter was updated to use version 4.1.1 of the OPC UA SDK in version 1.6.0.296.

However not all OPC UA servers return the same endpoints in both responses as this was not enforced previously.

An optional parameter Session.DisableEndpointValidation was also added to disable this validation on the client side, however it has not been implemented yet in the adapter.

Without this option, the OPC UA Server must be configured/updated to return matching results in the abovementioned responses for the adapter to be able to connect.

This option should be added so that the adapter can be used in the interim until the server can be updated.

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  • ChrisMcKee
    Nov 5, 2025

    Upvoting.

    We faced this issue this week using OPC UA Adapter 1.6.0.296 that was connecting to a Honeywell Experion UA Server as data source. Honeywell UA Server selector was required as a way to accommodate server level failover.
    Due to the way this software works, this mismatch appears in the log files.

    As there is no way currently to bypass this security feature on the client side and no workaround available yet on the UA server side, reverting to Aveva UA Adapter 1.5.0.373 was the only option that we found that would work.

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  • +1