OPC Server Development Toolkit

Due to limitations imposed by the OPC Foundation licensing policy with regard to third-party development of "for profit" toolkits, WinTECH Software can no longer provide/support the popular WtOPCsvr.dll as a solution. Existing WtOPCsvr users may continue to utilize the dll within commercial or non-commercial applications.

Recently, Microsoft has enhanced the security requirements for establishing an OPC connection. Legacy users of WtOPCsvr will be required to modify the code within the dll to accomidate these changes. For those users who purchased the compiled version of WtOPCsvr, you will need to obtain the source code prior to making the changes.

Last Updated: Sept 25, 2022
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