OPC DA disconnects|OPC UA Standard|Forum|OPC Foundation

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OPC DA disconnects
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thrainder Khanagwal
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10/21/2020
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10/21/2020 - 05:44
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My computer(OPC client) is connected to the PLC over a LAN network on licensed B&R client. But sometimes it gets automatically disconnected. Windows event logs, drivers and etc. are fine even the PLCs are able to ping but the OPC client is not able to re-connect to the PLC. Restarting the client computer is only solution for this problem. Is there is any specific reason causing this issue or any method to find the root cause and solution.

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Randy Armstrong
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10/21/2020 - 06:36
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Is this a OPC classic client?

If so this is a known deficiency in DCOM.

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