Hi,
with an OPC-UA server with anonymous access, after having read correctly we cannot browse but above all, as can be seen from the image attach, we cannot write.
I also include the exception below:
Exception: OpcLabs.EasyOpc.UA.OperationModel.UAException: An OPC-UA operation failure with error ID 'OpcLabs.UAEngine=4519' occurred, originating from '' and with depth of 1. The inner exception, of type "OpcLabs.EasyOpc.UA.Engine.UAEngineException", contains details about the problem. ---> OpcLabs.EasyOpc.UA.Engine.UAEngineException: Cannot perform conversion because the session is not connected.+ The client method called (or event/callback invoked) was 'WriteMultiple[1]'. --- End of inner exception stack trace --- at OpcLabs.EasyOpc.UA.IEasyUAClientExtension.WriteValue(IEasyUAClient client, UAWriteValueArguments writeValueArguments) at OpcLabs.EasyOpc.UA.IEasyUAClientExtension.WriteValue(IEasyUAClient client, UAEndpointDescriptor endpointDescriptor, UANodeDescriptor nodeDescriptor, Object value, Type valueType) at OpcLabs.EasyOpc.UA.IEasyUAClientExtension.WriteValue(IEasyUAClient client, UAEndpointDescriptor endpointDescriptor, UANodeDescriptor nodeDescriptor, Object value) at Qualitas.DeviceApp.DataAccess.OPCserverCH.Write(String nName, Object value)(An OPC-UA operation failure with error ID 'OpcLabs.UAEngine=4519' occurred, originating from '' and with depth of 1. The inner exception, of type "OpcLabs.EasyOpc.UA.Engine.UAEngineException", contains details about the problem.) Trace: at OpcLabs.EasyOpc.UA.IEasyUAClientExtension.WriteValue(IEasyUAClient client, UAWriteValueArguments writeValueArguments) at OpcLabs.EasyOpc.UA.IEasyUAClientExtension.WriteValue(IEasyUAClient client, UAEndpointDescriptor endpointDescriptor, UANodeDescriptor nodeDescriptor, Object value, Type valueType) at OpcLabs.EasyOpc.UA.IEasyUAClientExtension.WriteValue(IEasyUAClient client, UAEndpointDescriptor endpointDescriptor, UANodeDescriptor nodeDescriptor, Object value) at Qualitas.DeviceApp.DataAccess.OPCserverCH.Write(String nName, Object value);
Can you help me? When writing, the OPCLabs OPC-UA client libraries try to browse? Could it be bypassed?
We also tried with UAExpert and everything works fine.