Hello.

Not a specific idea at the moment. But what we can do is that we can improve the error diagnostics in this particular case, as it is sub-optimal at the moment, and it does not expose some important information about where precisely the error happened. 

I need to assign this to the developer. When it is finished, we will have a new build and I will ask you to re-build your software with it and reinstall on the customer site. I suppose you are on the latest QuickOPC version (2025.1), because that's what we will be updating. Please allow some time for this.

Regards

Hi,

The customer installed the 64 bit version of the OPC Core components, but the problem persists. Any other idea?

Thank you.

Michael

You should be using the 64-bit one. Always (in my experience, it also works on 32-bit systems, which are rare today anyway).

I suggest to change it in your Installshield (there is a 64-bit merge module in the same ZIP as well).

On the particular customer's computer, it is fine to just uninstall the 32-bit components (if they appear in Add/Remove programs), and install the 64-bit components form .MSI again.

I cannot be sure whether it fixes the problem, bit there is a strong relation (it appears as missing OPC proxy for 64-bits).

Best regards

Hi,

Thank you for your answer.
We are using the following merge module in InstallShield:

OPC COM ProxyStub Merge Module (x86) - OPC COM ProxyStub MergeModule (x86).msm  

Version 3.00.108.

This is the 32bit version of the OPC Core components, not the 64 bits.

Please advise how to proceed.

Thank you.

Michael

Hello.

Can you please ask the customer to install/reinstall OPC Core Components, making sure they use the 64-bit package?

The file is here:  opcfoundation.org/developer-tools/samples-and-tools-classic/core-components/   , name is "OPC Core Components Redistributables (ZIP/MSI/MSM)".

After unpacking, double-click on "OPC Core Components Redistributable (x64) 3.00.108.msi" and let it install for all users.

Best regards
 

Hi,

Our client is using the DeltaV OPC DA server. When he tries to browse for OPC items, he is getting the following error. Browsing with Matrikon OPC Explorer works fine.

Exceptions

Type: OpcLabs.BaseLib.Browsing.BrowseException
Data: ErrorId_{045406CD-8EEA-4F21-B3D6-DC9DB5A34E58}: OpcLabs.{6468EA80}
HelpLink: 
HResult: -2146233088 (0x80131500)
InnerException:
    System.NotSupportedException: Specified method is not supported.
    + The client method called (or event/callback invoked) was 'BrowseNodes'.
       at OpcLabs.EasyOpc.Implementation.NetApi.NetApiOpcServer`2.ConnectToServer(WebProxy proxy, Server server, NetworkCredential credentials, String connectionGroupName, EasyClientConnectDataParameters easyClientConnectDataParameters, ServerCategories serverCategories)
       at OpcLabs.EasyOpc.Implementation.NetApi.NetApiOpcServer`2.Connect(Boolean doOnlyIfGoodStatus, Boolean callGetStatus, Exception& exception)
    Data:
        OpcLabs.EasyOpc.Implementation.NetApi.NetApiErrorHarmonization.Processed: True
        OpcLabs.EasyOpc.Implementation.ClientErrorEnhancement.Processed: True
        OpcLabs.EasyOpc.Implementation.DAClientErrorEnhancement.Processed: True
    HelpLink: 
    HResult: -2146233067 (0x80131515)
    InnerException: 
    Message:
        Specified method is not supported.
        + The client method called (or event/callback invoked) was 'BrowseNodes'.
    Source: OpcLabs.EasyOpcClassic
    StackTrace:
           at OpcLabs.EasyOpc.Implementation.NetApi.NetApiOpcServer`2.ConnectToServer(WebProxy proxy, Server server, NetworkCredential credentials, String connectionGroupName, EasyClientConnectDataParameters easyClientConnectDataParameters, ServerCategories serverCategories)
           at OpcLabs.EasyOpc.Implementation.NetApi.NetApiOpcServer`2.Connect(Boolean doOnlyIfGoodStatus, Boolean callGetStatus, Exception& exception)
    TargetSite: Void ConnectToServer(System.Net.WebProxy, Opc.Server, System.Net.NetworkCredential, System.String, OpcLabs.EasyOpc.Implementation.NetApi.EasyClientConnectDataParameters, OpcLabs.EasyOpc.ServerCategories)
        DeclaringType: OpcLabs.EasyOpc.Implementation.NetApi.NetApiOpcServer`2[TNetApiOpcServer,TServer]
        Module: OpcLabs.EasyOpcClassic.dll
            Assembly: OpcLabs.EasyOpcClassic, Version=5.80.192.1, Culture=neutral, PublicKeyToken=6faddca41dacb409
            CustomAttributes: 
            FullyQualifiedName: C:\Program Files (x86)\Control-See\UCME-OPC\BIN\OpcLabs.EasyOpcClassic.dll
            MDStreamVersion: 131072
            MetadataToken: 1
            ModuleHandle: System.ModuleHandle
                MDStreamVersion: 131072
            ModuleVersionId: f48df173-6b5a-4a46-9d9a-48d760525f02
            Name: OpcLabs.EasyOpcClassic.dll
            ScopeName: OpcLabs.EasyOpcClassic.dll
Message: Problem browsing OPC Data Access (OPC-DA) branches.
Source: 
StackTrace: 
TargetSite: 

We are using:
OPC Studio 2024.1 (5.80.278.1)
OpcLabs.QuickOpc Nuget version 5.80.192

Thank you.

Michael