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 1559 topics

Provides support for QuickOPC in .NET-based tools.
Subject Replies / Views Last Post
URGENT: C#.NET 3.5 deployed on Windows 7 64-bit system not working
Category: QuickOPC in .NET
Topic started 11 Sep 2014 13:52, by majin
Last Post 12 Sep 2014 10:59
by support
Replies:5
Views:6522
Last Post by support
12 Sep 2014 10:59
Specifying security policy, user name and password
Category: QuickOPC in .NET
Topic started 11 Sep 2014 15:12, by support
Last Post 11 Sep 2014 15:25
by support
Replies:1
Views:7128
Last Post by support
11 Sep 2014 15:25
EasyDAClient (version 5.23) memory leak?
Category: QuickOPC in .NET
Topic started 09 Sep 2014 07:00, by support
Last Post 10 Sep 2014 17:27
by support
Replies:4
Views:6491
Last Post by support
10 Sep 2014 17:27
Two subscriptions with same items, unsubscribe one makes problems to the other one.
Category: QuickOPC in .NET
Topic started 09 Sep 2014 12:45, by Emilio
Last Post 09 Sep 2014 14:43
by Emilio
Replies:2
Views:4283
Last Post by Emilio
09 Sep 2014 14:43
OpcBrowseDialog Bug
Category: QuickOPC in .NET
Topic started 03 Sep 2014 12:44, by LuisGar
Last Post 09 Sep 2014 11:29
by LuisGar
Replies:13
Views:14.4k
Last Post by LuisGar
09 Sep 2014 11:29
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:11.3k
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:7039
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:5058
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:6091
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:12.9k
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:5517
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:7201
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:3901
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:8920
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:7055
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:5361
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:4050
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:6947
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:7833
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:5648
Last Post by support
10 Aug 2014 09:21
Time to create page: 0.077 seconds