OpcNetApi.dll - Any difference between Windows Server 2012R2 and Win10?|Classic OPC: DA, A&E, HDA, XML-DA, etc.|Forum|OPC Foundation

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OpcNetApi.dll - Any difference between Windows Server 2012R2 and Win10?
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Scott Baker_1
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10/12/2022
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10/12/2022 - 11:05
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I have a client application that runs on Windows Server2012R2 and does not have any issue – but I have also installed the same application on Windows 10 and I am continually getting the following error:

The URL scheme ‘OPCDA’ is not supported.

Here is the exception detail:

System.NotSupportedException was caught
Message=”The URL scheme ‘OPCDA’ is not supported.”
Source=”OpcNetApi”
StackTrace:
at Opc.Server.Connect(URL url, ConnectData connectData)
at Opc.Da.Server.Connect(URL url, ConnectData connectData)
at Opc.Server.Connect(ConnectData connectData)
at Insite.Service.ScaleTrax.Host.CommunicationAdapters.OpcClientAdapter.Connect() in <redacted>

Any thoughts on why this is happening on Windows 10?

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Randy Armstrong
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05/30/2017
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10/12/2022 - 14:40
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Try lower case ‘opcda’. OPCDA should have never worked. Maybe the .NET framework was forcing it to lowercase in the Uri class on WS2012.

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