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error from server when writing - by: ulix86

Hi Support, I'm trying to write to the server but I get this error. Is there anything i can do or is from on the server? Thank you

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PC Upgraded to 20H2 will not connect to OPC Server - by: spaxman

We are testing the 20H2 Windows Upgrade. Once we upgrade the opc client using quickopc-classic com crashes. I am using Powebuilder 2017, and opclabs version 2019.R1. Is anyone aware of similar issues?...

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I Keep Receiving an Error When Trying to Connect to OPC Server - by: johndoe1234

Hello! When I try to connect to the OPC server I have set up, every time I get the error: "The requested OPC Data Access technology 'Unknown' is not supported. Check the scheme "opc.tcp" in server URL...

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OPC Upgraded to 20H2 will not connect to OPC Server - by: spaxman

We are testing the 20H2 Windows Upgrade. Once we upgrade the opc client using quickopc-classic com crashes. I am using Powebuilder 2017, and opclabs version 2019.R1. Is anyone aware of similar issues?...

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error from server when writing - by: ulix86

Hi Support, I'm trying to write to the server but I get this error. Is there anything i can do or is from on the server? Thank you

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Read Multiple OPC DA item - by: mut9bu

Hello I use the below code, which i use to read multiple OPC DA items from the server. So far working fine. But i have one use case, where i cannot use this multiple reading method very well: I have to...

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PC Upgraded to 20H2 will not connect to OPC Server - by: spaxman

We are testing the 20H2 Windows Upgrade. Once we upgrade the opc client using quickopc-classic com crashes. I am using Powebuilder 2017, and opclabs version 2019.R1. Is anyone aware of similar issues?...

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Value of empty string nodes in UA - by: zaglerp

Hi, Is there a difference between empty string and null for OPC nodes of type 'String'? After setting the value to an empty string, null is returned for reading the node. What is the reason for this?...

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Dialog window appears and requires user intervention - by: info@software2000.it

When the opc-ua server becomes unreachable due to a network problem or because the machine is turned off, a dialog window appears that I attach as a screen shoot and if there is no user who opremes...

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OLE Error 80131534 when creating TEasyUAClientConfiguration - by: jkahlert

Our driver based on QuickOPC 2021.2 worked well until the driver (including QuickOPC 2021.2 Production) was re-installed. Now an OLE Error 80131534 including the class ID for...

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ReadMultipleItemValues result contains zeros with new nuget release - by: mpp

Hi with the last version of the nuget package I see a behavior change with the ReadMultipleItemValues method of the EasyDAClient. I am getting some zeros in the ValueResult array that the method...

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excel problem - by: baldassarra

hi my end custmer bough a QUICK OPC with EXCEL OPTION license. I have a problem with sheet excel. The tags value desappear. i noticed that in the example file "Demo Appliction" doesn't appear the OPCUA...

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excel problem - by: baldassarra

hi I have a problem when I copy a tag value from quickopc ua in excel. In the proprety of the comments compare a message that i copy in picture. Can you help me, please? B.r.

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excel problem - by: baldassarra

hi my end custmer bough a QUICK OPC with EXCEL OPTION license. I have a problem with sheet excel. The tags value desappear. i noticed that in the example file "Demo Appliction" doesn't appear the OPCUA...

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Failure Timeout browsing nodes. - by: FreegE

Hi, when i try to browse nodes with EasyDAClient() pretty much with the method described i the documentation examples i get the error: 2022-04-05 11:17:54 RecursiveWithRead Failure Timeout browsing...

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excel problem with licenses - by: baldassarra

hi I have a problem when I copy a tag value from quickopc ua in excel. In the proprety of the comments compare a message that i copy in picture. Can you help me, please? B.r.

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Run time is over the limit in license "Multipurpose", serial number...

Our Company has just Purchased a license a few weeks ago and I have it active in the license manager but I still seem to get this run time over the limit message. I am trying to modify a VB6 code that...

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ServerConditionChanged Event (EasyUAClient) - by: goosvanbeek

Hello support, I updated from 5.62.1032 to 5.63.121 (Nuget) and found that the event ServerConditionChanged doesn't exist anymore. 'EasyUAClient' does not contain a definition for...

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Antivirus Sophos detects "Dynamic Shellcode" when starting apps with QuickOPC...

Hi all, we are using Sophos Endpoint Agent as corporate antivirus software. And this agent detects an exploit when I try to start an app using QuickOPC. This behavior has been seen first for a few...

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Problem with reading multiple OPC UA items periodically (every 1 second) -...

Hello We want to read multiple OPC UA items periodically. (every 1 second) First I tried with your example "// This example shows how to subscribe to changes of multiple monitored items and display the...

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