22/11/2017 16:53:31 OPC-UA endpoint selection on discovery URL "opc.tcp://localhost:49380" candidate report (5 entries) follows. [0:Winner(1000+0), 1:EligibleNotAccepted(80), 2:EligibleNotAccepted(130), 3:EligibleNotAccepted(90), 4:EligibleNotAccepted(140)]. ============ Date:2017-11-22 Time:17:53:31 22/11/2017 16:53:31 The OPC-UA server endpoint URL "opc.tcp://127.0.0.1:49380" with security policy URI "http://opcfoundation.org/UA/SecurityPolicy#None" and transport policy URI "http://opcfoundation.org/UA-Profile/Transport/uatcp-uasc-uabinary", selected using discovery on endpoint URL "opc.tcp://localhost:49380", has zero security level. Using this endpoint is not recommended and is only supported for backward compatibility. This happens when no other endpoints are available and eligible for selection. ============ Date:2017-11-22 Time:17:53:31 22/11/2017 16:53:31 The preliminary OPC-UA server endpoint URL selected using discovery on endpoint URL "opc.tcp://localhost:49380/" differs in host name or port number from the discovery endpoint. The original endpoint URL "opc.tcp://127.0.0.1:49380" has been replaced by "opc.tcp://localhost:49380/". ============ Date:2017-11-22 Time:17:53:31 22/11/2017 16:53:31 The OPC-UA client session with connect sequence number 1 has selected an OPC-UA endpoint for discovery URL "opc.tcp://localhost:49380" with following parameters: Endpoint URL "opc.tcp://localhost:49380/", message security mode 'None', security policy URI "http://opcfoundation.org/UA/SecurityPolicy#None", transport profile URI "http://opcfoundation.org/UA-Profile/Transport/uatcp-uasc-uabinary". ============ Date:2017-11-22 Time:17:53:31 22/11/2017 16:53:32 The OPC-UA client session with connect sequence number 1 user token selection on endpoint URL "opc.tcp://localhost:49380" candidate report (2 entries) follows. [0:Winner(""), 1:ValidNotEligible(NotApplicable("http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0"))]. ============ Date:2017-11-22 Time:17:53:32 22/11/2017 16:53:32 The OPC-UA client session with connect sequence number 1 on endpoint URL "opc.tcp://localhost:49380" has been associated with user identity token type 'Anonymous', display name "Anonymous". ============ Date:2017-11-22 Time:17:53:32 22/11/2017 16:53:32 The OPC-UA server on endpoint URL "opc.tcp://localhost:49380" returned an empty list of software certificates. ============ Date:2017-11-22 Time:17:53:32 22/11/2017 16:53:32 The OPC-UA server on endpoint URL "opc.tcp://localhost:49380" returned an empty server signature. ============ Date:2017-11-22 Time:17:53:32 22/11/2017 16:53:32 The OPC-UA client session with connect sequence number 1 has successfully connected to endpoint URL "opc.tcp://localhost:49380". The server-assigned session Id is "ns=1;g=acab6f2b-e688-48ab-b67f-37f92db53222". ============ Date:2017-11-22 Time:17:53:32 22/11/2017 16:53:32 The OPC-UA subscription on client session with connect sequence number 1 to endpoint URL "opc.tcp://localhost:49380" has been successfully created and checked, and given subscription ID 1. Revised publishing interval is 7500, keep-alive count is 11520 and lifetime count is 34560. ============ Date:2017-11-22 Time:17:53:32 22/11/2017 16:53:32 When creating or modifying a monitored item, the OPC-UA server on endpoint URL "opc.tcp://localhost:49380" has revised the sampling interval to 5000 milliseconds; the requested sampling interval was 15000 milliseconds. Further such warnings on this session will not be logged. ============ Date:2017-11-22 Time:17:53:32 22/11/2017 16:53:32 The OPC-UA subscription on client session with connect sequence number 1 to endpoint URL "opc.tcp://localhost:49380" has been successfully created and checked, and given subscription ID 2. Revised publishing interval is 250, keep-alive count is 345600 and lifetime count is 1036800. ============ Date:2017-11-22 Time:17:53:32 22/11/2017 16:53:44 The OPC-UA server on endpoint URL "opc.tcp://localhost:49380" has reported a subscription acknowledgement error with code 0x807A0000 for subscription ID 2 and sequence number 1. Further subscription acknowledgement errors with this code on this session will not be logged. Operation result: BadSequenceNumberUnknown. ============ Date:2017-11-22 Time:17:53:44 22/11/2017 16:53:50 The OPC-UA subscription on client session with connect sequence number 1 to endpoint URL "opc.tcp://localhost:49380" has been successfully created and checked, and given subscription ID 3. Revised publishing interval is 50, keep-alive count is 1728000 and lifetime count is 5184000. ============ Date:2017-11-22 Time:17:53:50 22/11/2017 16:55:50 The OPC-UA client session with connect sequence number 1 on endpoint URL "opc.tcp://localhost:49380" has encountered a publish error with code 0x80850000 for subscription ID 0 and sequence number 0. The error might be from the Publish or the Republish service. Further publish errors with this code on this session will not be logged. Service result: BadRequestTimeout 'BadRequestTimeout'. ============ Date:2017-11-22 Time:17:55:50

e {[] *** Failure -1 (0xFFFFFFFF): OPC-UA client session is not available when connecting the client subscription.} e.Arguments {"opc.tcp://localhost:49380", "NodeId="ns=2;s=PLC_Siemens.PLC1.DB199.DBX100.4"", Value} http://schemas.datacontract.org/2004/07/OpcLabs.EasyOpc.UA.OperationModel