Event floods in audit event list: opc_e_unknownitemid(0xc0040007)
Observed event floods in Audit Trial with the Category - AuditEvent_OperatorAction and the message as "Tagname (0x8) xxxxxxx OPC_E_UNKNOWNITEMID(0xc0040007). The item is no longer available in the server address space".
This item is writing values from External OPC Server and the values are updating correctly in the Control connection when i subscribed for live values. Please let me know what would be the root cause for the event flood.
Have it examined - even if you have 9 out of 10 items correct you will get error messages for the 10th.