Exceptions Type: OpcLabs.BaseLib.Browsing.BrowseException Data: HelpLink: HResult: -2146233088 (0x80131500) InnerException: OpcLabs.EasyOpc.OperationModel.OpcException: An OPC operation failure with error code -2147024891 (0x80070005) occurred, originating from 'OpcLabs.EasyOpcRaw.DataAccess.RawEasyDAClient'. The inner exception contains details about the problem. ---> System.UnauthorizedAccessException: Accesso negato. --- Fine della traccia dello stack dell'eccezione interna --- in OpcLabs.EasyOpcRaw.DataAccess.RawEasyDAClient.CheckOpcResult(CHResult* hResult) in OpcLabs.EasyOpcRaw.DataAccess.RawEasyDAClient.InternalBrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpcRaw.DataAccess.RawEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.DelegatingEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.CompositeEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.DelegatingEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.LicensingEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.DelegatingEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.PSBoxingEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.EasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.Browsing.DANodeBrowseable.BrowseLeaves(Object parentNode, Object nodeFilter, IEnumerable`1& leaves, IEnumerable`1& exceptions) Data: ErrorCode: -2147024891 HelpLink: HResult: -2146233088 (0x80131500) InnerException: System.UnauthorizedAccessException: Accesso negato. Data: HelpLink: HResult: -2147024891 (0x80070005) InnerException: Message: Accesso negato. Source: OpcLabs.EasyOpcRaw.DataAccess.RawEasyDAClient StackTrace: TargetSite: Message: An OPC operation failure with error code -2147024891 (0x80070005) occurred, originating from 'OpcLabs.EasyOpcRaw.DataAccess.RawEasyDAClient'. The inner exception contains details about the problem. Source: App_Web_OpcLabs.EasyOpcClassicRaw.amd64 StackTrace: in OpcLabs.EasyOpcRaw.DataAccess.RawEasyDAClient.CheckOpcResult(CHResult* hResult) in OpcLabs.EasyOpcRaw.DataAccess.RawEasyDAClient.InternalBrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpcRaw.DataAccess.RawEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.DelegatingEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.CompositeEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.DelegatingEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.LicensingEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.DelegatingEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.PSBoxingEasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.EasyDAClient.BrowseNodes(ServerDescriptor serverDescriptor, DANodeDescriptor parentNodeDescriptor, DABrowseParameters browseParameters) in OpcLabs.EasyOpc.DataAccess.Browsing.DANodeBrowseable.BrowseLeaves(Object parentNode, Object nodeFilter, IEnumerable`1& leaves, IEnumerable`1& exceptions) TargetSite: Void CheckOpcResult(CHResult*) DeclaringType: OpcLabs.EasyOpcRaw.DataAccess.RawEasyDAClient Module: App_Web_OpcLabs.EasyOpcClassicRaw.amd64.dll Assembly: App_Web_OpcLabs.EasyOpcClassicRaw.amd64, Version=5.35.442.1, Culture=neutral, PublicKeyToken=6faddca41dacb409 CustomAttributes: FullyQualifiedName: C:\Program Files (x86)\OPC Labs\QuickOPC 5.3\DemoNet\EasyOpcNetDemo\App_Web_OpcLabs.EasyOpcClassicRaw.amd64.dll MDStreamVersion: 131072 MetadataToken: 1 ModuleHandle: System.ModuleHandle MDStreamVersion: 131072 ModuleVersionId: 41f23bfa-af3a-4bc7-8b98-b73c7a57e70c Name: App_Web_OpcLabs.EasyOpcClassicRaw.amd64.dll ScopeName: App_Web_OpcLabs.EasyOpcClassicRaw.amd64.dll Message: Problem browsing OPC Data Access (OPC-DA) leaves. Source: StackTrace: TargetSite: