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Classic OPC: DA, A&E, HDA, XML-DA, etc.

Questions about OPC Classic technologies and specifications, etc.

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OpcNetApi.dll - Any difference between Windows Server 2012R2 and Win10?

Replies: 1

Views 946

First Post Scott Baker_1 4 years ago

Last Post Randy Armstrong 4 years ago

0x80010119 Security must be initialized before any interfaces are marshalled or unmarshalled. It cannot be changed once initialized.

Replies: 3

Views 2412

First Post Matthew Helle 4 years ago

Last Post Randy Armstrong 4 years ago

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IOPCSyncIO::Read method appears to steal Windows messages from host windows

Replies: 3

Views 1186

First Post Sam Norris 4 years ago

Last Post Randy Armstrong 4 years ago

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Replies: 1

Views 1777

First Post Jithesh Kotteri 4 years ago

Last Post Paul Hunkar 4 years ago

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DCOM hardening: impact on local client-server communication

Replies: 3

Views 2158

First Post Frank Zettier 4 years ago

Last Post Randy Armstrong 4 years ago

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Force OPC DA Connect using DA 1.0 with OPC NET API

Replies: 1

Views 1161

First Post Rick Shaw 4 years ago

Last Post Randy Armstrong 4 years ago

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OPCNETApi and DCOM Hardening

Replies: 44

Views 11239

First Post Karthick Manoharan 5 years ago

Last Post Randy Armstrong 4 years ago

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DCOM hardening - OPC Error in method IConnectionPoint.Advise

Replies: 1

Views 3139

First Post Zohar Tsioni 4 years ago

Last Post Randy Armstrong 4 years ago

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.net 5 and OPC Classic

Replies: 3

Views 1459

First Post Martin Hollender 6 years ago

Last Post Randy Armstrong 4 years ago

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Microsoft DCOM update

Replies: 5

Views 12284

First Post Randy Armstrong 5 years ago

Last Post Randy Armstrong 4 years ago

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Read additional attributes from SimaticConditionAlarmType

Replies: 5

Views 1273

First Post Marco Handl 4 years ago

Last Post Randy Armstrong 4 years ago

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Unable to browse network for available OPC servers on Windows Server 2019 but can connect to OPC servers if manually listed

Replies: 3

Views 5067

First Post Mike Holmes 4 years ago

Last Post Mike Holmes 4 years ago

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