When the OPCUA32 driver creates monitored items for event notifier variables, it calls the ConditionRefresh2 method after creating the monitored items. It may fall back to calling the more generic ConditionRefresh method, if the server does not support ConditionRefresh2. If however the OPC UA
Server server returns BadNotImplemented the OPCUA32 driver does not execute the expected fallback
to ConditionRefresh.
This behavior has been modified. In the case of a BadNotImplemented response from the server to ConditionRefresh2, the OPCUA32 driver executes a fallback to ConditionRefresh.
To benefit from this fix: