"CreateDaSubscr()" method in "KpOpcLogic.cs" can't get value.

[braveheartjhl]

Hello Mikhail
The same one OPC Server, “CreateDaSubscr()” method in “KpOpcLogic.cs” can’t get value,but “tvKP_AfterSelect” method in “FrmConfig.cs” can get value.
can’t get value

can get value

How can I solve these errors?
Thank you for your help!

• This topic was modified 6 years, 3 months ago by braveheartjhl.
• This topic was modified 6 years, 3 months ago by braveheartjhl.

[Mikhail]

Hello,
The service and the GIU works as different Windows users with different privileges. You can check user names in Task Manager. This is important when use OPC.

[Mikhail]

By default the service works as system user. You can change a user in the properties of the service.

[Author]

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