Professional Communication
Software Development Tools

OPC Foundation member and certified logos

Online Forums

Technical support is provided through Support Forums below. Anybody can view them; you need to Register/Login to our site (see links in upper right corner) in order to Post questions or issues. You do not have to own a commercial license in order to use the OPC Labs supportOur team is actively monitoring the forums, and provides replies as soon as possible.

Please read Rules for forum posts before reporting your issue or asking a question. OPC Labs team is actively monitoring the forums, and replies as soon as possible.

Various technical information can also be found in our Knowledge Base. For your convenience, we have also assembled a Frequently Asked Questions page.

Do not use the Contact page for technical issues.

QuickOPC in .NET 1529 topics

Provides support for QuickOPC in .NET-based tools.
Subject Replies / Views Last Post
Getting the entire Tree Structure of OPC server
Category: QuickOPC in .NET
Topic started 08 Sep 2014 12:54, by Vishweshwar_Kapse
Last Post 08 Sep 2014 13:22
by support
Replies:1
Views:11.1k
Last Post by support
08 Sep 2014 13:22
Is x64 platform supported?
Category: QuickOPC in .NET
Topic started 02 Sep 2014 15:23, by support
Last Post 03 Sep 2014 16:38
by support
Replies:7
Views:6936
Last Post by support
03 Sep 2014 16:38
License version
Category: QuickOPC in .NET
Topic started 01 Sep 2014 12:28, by Rudy.Borgstede
Last Post 01 Sep 2014 15:29
by support
Replies:1
Views:4941
Last Post by support
01 Sep 2014 15:29
Require help in using the EasyAEClient
Category: QuickOPC in .NET
Topic started 01 Sep 2014 09:15, by Vishweshwar_Kapse
Last Post 01 Sep 2014 10:29
by support
Replies:1
Views:5961
Last Post by support
01 Sep 2014 10:29
After an unsuccessful BrowseBranches() (COM Timeout exception comes), the next one (good) needs a big time before succeeding.
Category: QuickOPC in .NET
Topic started 22 Jul 2014 10:36, by Emilio
Last Post 01 Sep 2014 05:31
by Emilio
Replies:16
Views:12.7k
Last Post by Emilio
01 Sep 2014 05:31
"Long call time" to execute EasyDAClient.Dispose()
Category: QuickOPC in .NET
Topic started 30 Aug 2014 18:23, by support
Last Post 30 Aug 2014 19:23
by support
Replies:2
Views:5408
Last Post by support
30 Aug 2014 19:23
The OPC-UA subscription publishing has stopped.
Category: QuickOPC in .NET
Topic started 29 Aug 2014 07:42, by bardhustveit@gmail.com
Last Post 29 Aug 2014 11:39
by support
Replies:1
Views:7068
Last Post by support
29 Aug 2014 11:39
Examples of subscribing to data changes in OPC item
Category: QuickOPC in .NET
Topic started 28 Aug 2014 18:11, by support
Last Post 28 Aug 2014 18:14
by support
Replies:1
Views:3776
Last Post by support
28 Aug 2014 18:14
Cannot Connect Topic or Cannot Connect Data Access Client
Category: QuickOPC in .NET
Topic started 15 Aug 2014 20:31, by cdunlap
Last Post 27 Aug 2014 19:40
by support
Replies:8
Views:8781
Last Post by support
27 Aug 2014 19:40
"Access denied" comes in ItemChanged event for some OPC Servers
Category: QuickOPC in .NET
Topic started 16 Jul 2014 12:06, by support
Last Post 27 Aug 2014 13:29
by Emilio
Replies:4
Views:6955
Last Post by Emilio
27 Aug 2014 13:29
Licence registry
Category: QuickOPC in .NET
Topic started 17 Aug 2014 19:24, by philgerm
Last Post 18 Aug 2014 06:56
by admin
Replies:3
Views:5226
Last Post by admin
18 Aug 2014 06:56
MultipleWrites with Subscribed Read
Category: QuickOPC in .NET
Topic started 11 Aug 2014 14:38, by neilcooley
Last Post 12 Aug 2014 16:08
by support
Replies:1
Views:3957
Last Post by support
12 Aug 2014 16:08
Read not Completed
Category: QuickOPC in .NET
Topic started 06 Aug 2014 16:41, by philgerm
Last Post 11 Aug 2014 13:29
by support
Replies:7
Views:6783
Last Post by support
11 Aug 2014 13:29
VB.NET example - OPC data with ListView
Category: QuickOPC in .NET
Topic started 01 Aug 2014 12:10, by support
Last Post 11 Aug 2014 07:10
by support
Replies:8
Views:7736
Last Post by support
11 Aug 2014 07:10
"The OPC-UA subscription publishing has stopped."
Category: QuickOPC in .NET
Topic started 09 Aug 2014 12:42, by giles
Last Post 10 Aug 2014 09:21
by support
Replies:1
Views:5558
Last Post by support
10 Aug 2014 09:21
errors raised before handles provided
Category: QuickOPC in .NET
Topic started 09 Aug 2014 12:37, by giles
Last Post 10 Aug 2014 08:58
by support
Replies:1
Views:4589
Last Post by support
10 Aug 2014 08:58
Invalid Class String on Windows Server 2008 R2 Using OPC Core Components 3.00 Redistributable (x64)
Category: QuickOPC in .NET
Topic started 14 Jul 2014 13:16, by mattbbpl
Last Post 07 Aug 2014 09:23
by support
Replies:9
Views:10.5k
Last Post by support
07 Aug 2014 09:23
Not allowed to run by the license. You might be using a trial license, and the version of the software you are using is obsolet
Category: QuickOPC in .NET
Topic started 06 Aug 2014 12:37, by guidodebouver
Last Post 07 Aug 2014 07:56
by guidodebouver
Replies:4
Views:7020
Last Post by guidodebouver
07 Aug 2014 07:56
Can't read item
Category: QuickOPC in .NET
Topic started 01 Aug 2014 05:41, by slyboots
Last Post 05 Aug 2014 09:47
by support
Replies:6
Views:5483
Last Post by support
05 Aug 2014 09:47
Reactive subscriptions and multiple items
Category: QuickOPC in .NET
Topic started 31 Jul 2014 10:35, by giles
Last Post 04 Aug 2014 10:24
by support
Replies:1
Views:4922
Last Post by support
04 Aug 2014 10:24
Time to create page: 0.077 seconds