103     0        4         The OPC-UA engine has successfully connected to the underlying subsystems.
2021    0        4         The OPC-UA client session with connect sequence number 1 is connecting to endpoint URL "opc.tcp://172.16.30.200:49320/".
2001    0        4         OPC-UA endpoint selection on discovery URL "opc.tcp://172.16.30.200:49320/" candidate report (3 entries) follows.
                           [0:Winner(1000+0), 1:EligibleNotAccepted(1000+0), 2:EligibleNotAccepted(1000+0)].
2002    0        2         The OPC-UA server endpoint URL "opc.tcp://172.16.30.200:49320" 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://172.16.30.200:49320/", 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.
2031    0        4         The OPC-UA client session with connect sequence number 1 has selected an OPC-UA endpoint for discovery URL "opc.tcp://172.16.30.200:49320/" with following parameters:
                           Endpoint URL "opc.tcp://172.16.30.200:49320", 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".
2011    0        4         The OPC-UA client session with connect sequence number 1 user token selection on endpoint URL "opc.tcp://172.16.30.200:49320/" 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"))].
2013    0        4         The OPC-UA client session with connect sequence number 1 on endpoint URL "opc.tcp://172.16.30.200:49320/" has been associated with user identity token type 'Anonymous', display name "Anonymous".
2041    0        2         The server certificate failed validation with error code 0x801A0000 while establishing OPC-UA client session to endpoint URL "opc.tcp://172.16.30.200:49320/". 
                             BadCertificateUntrusted 'Certificate is not trusted.
                           SubjectName: CN=KEPServerEX/UA Server, O=Microsoft, C=US, DC=DZ0343-PC
                           IssuerName: CN=KEPServerEX/UA Server, O=Microsoft, C=US, DC=DZ0343-PC'
2043    0        8         The server certificate has been accepted for the OPC-UA client session to endpoint URL "opc.tcp://172.16.30.200:49320/" by a fallback method.
                             Certificate information: [Subject]
                             CN=KEPServerEX/UA Server, O=Microsoft, C=US, DC=DZ0343-PC
                           
                           [Issuer]
                             CN=KEPServerEX/UA Server, O=Microsoft, C=US, DC=DZ0343-PC
                           
                           [Serial Number]
                             F588B48A
                           
                           [Not Before]
                             14/12/2016 10:57:40
                           
                           [Not After]
                             12/12/2026 10:57:40
                           
                           [Thumbprint]
                             A9EE407E047DFF9C65AC4463A511F094C80F58FB
                           
2171    0        4         The OPC-UA server on endpoint URL "opc.tcp://172.16.30.200:49320/" returned an empty list of software certificates.
2174    0        2         The OPC-UA server on endpoint URL "opc.tcp://172.16.30.200:49320/" did not return a valid software certificate for product URI "urn:BORNONE:Kepware.KEPServerEX.V5:UA Server" listed in server endpoints. The server returned 0 software certificate(s) in total.
2181    0        2         The OPC-UA server on endpoint URL "opc.tcp://172.16.30.200:49320/" returned an empty server signature.
2023    0        4         The OPC-UA client session with connect sequence number 1 has successfully connected to endpoint URL "opc.tcp://172.16.30.200:49320/". The server-assigned session Id is "ns=1;g=a5aaf368-3652-4381-ad39-7d6de2758c09".
4114    0        4         When creating or modifying a monitored item, the OPC-UA server on endpoint URL "opc.tcp://172.16.30.200:49320/" 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.
2051    0        2         The OPC-UA client session with connect sequence number 1 on endpoint URL "opc.tcp://172.16.30.200:49320/" has encountered a publish error with code 0x80260000 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: BadSessionClosed 'BadSessionClosed'.
2051    0        2         The OPC-UA client session with connect sequence number 1 on endpoint URL "opc.tcp://172.16.30.200:49320/" has encountered a publish error with code 0x80860000 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: BadSecureChannelClosed 'BadSecureChannelClosed'.
3001    0        2         Failed to perform subscription changes on the OPC-UA client session with connect sequence number 1 to endpoint URL "opc.tcp://172.16.30.200:49320/". There were 0 removal(s), 0 modification(s) and 500 addition(s) to apply. Further such errors on this session will not be logged. BadSecureChannelClosed = BadSecureChannelClosed. Inner result: Impossibile stabilire la connessione. Risposta non corretta della parte connessa dopo l'intervallo di tempo oppure mancata risposta dall'host collegato. = BadTcpInternalError.
3012    0        2         The OPC-UA subscription ID 415 publishing has stopped on the client session with connect sequence number 1 to endpoint URL "opc.tcp://172.16.30.200:49320/" for approximate current duration of 140019 milliseconds. The current keep-alive count is 14, the current publishing interval is 5000 milliseconds, and the probationary period will be 5000 milliseconds. Further such errors on this session will not be logged.
3014    0        2         The OPC-UA subscription ID 415 publishing has halted on the client session with connect sequence number 1 to endpoint URL "opc.tcp://172.16.30.200:49320/" for approximate current duration of 145021 milliseconds. The current keep-alive count is 14, the current publishing interval is 5000 milliseconds, and the probationary period was 5000 milliseconds. Further such errors on this session will not be logged.
2024    0        4         The OPC-UA client session with connect sequence number 1 is disconnecting from endpoint URL "opc.tcp://172.16.30.200:49320/".
2025    0        4         The OPC-UA client session with connect sequence number 1 has disconnected from endpoint URL "opc.tcp://172.16.30.200:49320/".
2026    0        4         The OPC-UA client session on endpoint URL "opc.tcp://172.16.30.200:49320/" failed at tick 112141140 and will retry in 5000 milliseconds.
3201    0        2         The status subscription for an OPC-UA session on endpoint URL "opc.tcp://172.16.30.200:49320/" is in failure. Further such warnings on this session will not be logged.
The OPC-UA subscription ID 414 publishing has halted on the client session to endpoint URL "opc.tcp://172.16.30.200:49320/" for approximate current duration of 147544 milliseconds. The current keep-alive count is 10, the current publishing interval is 7500 milliseconds, and the probationary period was 5000 milliseconds.