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 1550 topics

Provides support for QuickOPC in .NET-based tools.
Subject Replies / Views Last Post
Browsing OPC UA servers with multi select - Getting the NodeElement Brows names
Category: QuickOPC in .NET
Topic started 23 Nov 2020 06:36, by micham
Last Post 23 Nov 2020 16:33
by support
Replies:3
Views:1543
Last Post by support
23 Nov 2020 16:33
Is this the correct way to retrieve nodeId when uaDataDialog1.MultiSelect = True
Category: QuickOPC in .NET
Topic started 18 Nov 2020 12:58, by micham
Last Post 22 Nov 2020 15:55
by support
Replies:15
Views:4233
Last Post by support
22 Nov 2020 15:55
Automated deployment / to RegAsm during install or not?
Category: QuickOPC in .NET
Topic started 20 Nov 2020 13:29, by tblong
Last Post 20 Nov 2020 20:25
by tblong
Replies:2
Views:1484
Last Post by tblong
20 Nov 2020 20:25
After we browse and select multiple items we get a crash
Category: QuickOPC in .NET
Topic started 18 Nov 2020 16:18, by micham
Last Post 19 Nov 2020 18:57
by micham
Replies:15
Views:3614
Last Post by micham
19 Nov 2020 18:57
Writing NaN, +INF and -INF for floating point types
Category: QuickOPC in .NET
Topic started 19 Nov 2020 10:49, by mfi
Last Post 19 Nov 2020 11:48
by mfi
Replies:2
Views:1693
Last Post by mfi
19 Nov 2020 11:48
Error when subscribing multiple items
Category: QuickOPC in .NET
Topic started 16 Nov 2020 00:36, by janderscu
Last Post 19 Nov 2020 07:19
by support
Replies:12
Views:3737
Last Post by support
19 Nov 2020 07:19
Could not load configuration file.
Category: QuickOPC in .NET
Topic started 17 Nov 2020 09:15, by LaurentzT
Last Post 17 Nov 2020 16:34
by support
Replies:5
Views:2699
Last Post by support
17 Nov 2020 16:34
connexion to a opc server GUI with windows service
Category: QuickOPC in .NET
Topic started 09 Nov 2020 15:32, by PhilippeG
Last Post 13 Nov 2020 09:03
by support
Replies:5
Views:1749
Last Post by support
13 Nov 2020 09:03
Object reference not set to an instance of an object. QuickOPC 2020.3 alpha
Category: QuickOPC in .NET
Topic started 26 Oct 2020 18:00, by Andriy
Last Post 12 Nov 2020 08:55
by Andriy
Replies:8
Views:2858
Last Post by Andriy
12 Nov 2020 08:55
QuickOPC and SIMATIC NET - reading problems
Category: QuickOPC in .NET
Topic started 12 Aug 2020 09:07, by bvader
Last Post 10 Nov 2020 12:22
by support
Replies:12
Views:3922
Last Post by support
10 Nov 2020 12:22
version of the software obsolete R.Date: 06.04.2020, trial validity: 210 days
Category: QuickOPC in .NET
Topic started 08 Nov 2020 00:42, by eric.bordeleau@hexatto.com
Last Post 09 Nov 2020 08:17
by support
Replies:7
Views:1999
Last Post by support
09 Nov 2020 08:17
The OPC-UA subscription ID 12345 publishing has halted on the client session
Category: QuickOPC in .NET
Topic started 06 Oct 2020 12:00, by servusintra
Last Post 06 Nov 2020 09:03
by support
Replies:5
Views:2600
Last Post by support
06 Nov 2020 09:03
Validating Quick OPC application with BAD and UNCERTAIN data server
Category: QuickOPC in .NET
Topic started 04 Nov 2020 22:43, by janderscu
Last Post 05 Nov 2020 16:27
by support
Replies:3
Views:1451
Last Post by support
05 Nov 2020 16:27
Frequent detached and attached messages
Category: QuickOPC in .NET
Topic started 02 Nov 2020 12:33, by amps
Last Post 02 Nov 2020 12:37
by support
Replies:1
Views:1151
Last Post by support
02 Nov 2020 12:37
QuickOPC 2020.2. - free trial - Licence not vali
Category: QuickOPC in .NET
Topic started 02 Nov 2020 08:59, by tobias.kettner@hirschvogel.com
Last Post 02 Nov 2020 10:45
by support
Replies:3
Views:1824
Last Post by support
02 Nov 2020 10:45
Could not create a certificate via a proxy: Input file was not processed properl
Category: QuickOPC in .NET
Topic started 29 Oct 2020 13:24, by kristof2015
Last Post 29 Oct 2020 18:53
by support
Replies:3
Views:1729
Last Post by support
29 Oct 2020 18:53
Write is synchronous or asynchronous?
Category: QuickOPC in .NET
Topic started 06 Jun 2018 13:16, by I-Tecnology
Last Post 24 Oct 2020 18:38
by support
Replies:9
Views:9084
Last Post by support
24 Oct 2020 18:38
OPC-UA operation failure with error ID 'UAEngine=2307' occurred
Category: QuickOPC in .NET
Topic started 23 Oct 2020 10:08, by k_ito@sehouse.co.jp
Last Post 24 Oct 2020 08:42
by support
Replies:1
Views:1853
Last Post by support
24 Oct 2020 08:42
Application Hangs as a result of a triggered Garbage Collection
Category: QuickOPC in .NET
Topic started 08 Oct 2020 16:57, by gkalipershad
Last Post 22 Oct 2020 12:53
by support
Replies:6
Views:1572
Last Post by support
22 Oct 2020 12:53
APCViolation Live Mapping
Category: QuickOPC in .NET
Topic started 20 Oct 2020 06:54, by petegoodman
Last Post 20 Oct 2020 07:24
by support
Replies:1
Views:2131
Last Post by support
20 Oct 2020 07:24
Time to create page: 0.077 seconds