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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 support. Our 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.

Recent Topics (9 topics)

Subject Replies / Views Last Post
E_NETWORK_ERROR when reading OPC DA item DataType property
Category: QuickOPC in .NET
Topic started 24 Sep 2026 07:42, by Andriy
Last Post 06 Oct 2026 12:53
by Andriy
Replies:6
Views:100
Last Post by Andriy
06 Oct 2026 12:53
OPCUA: Frequent connection drops
Category: QuickOPC in .NET
Topic started 24 Sep 2026 13:59, by Andriy
Last Post 06 Oct 2026 07:22
by support
Replies:7
Views:116
Last Post by support
06 Oct 2026 07:22
What components to install for Runtime
Category: QuickOPC
Topic started 29 Sep 2026 15:09, by psiebert
Last Post 29 Sep 2026 21:23
by support
Replies:2
Views:28
Last Post by support
29 Sep 2026 21:23
QuickOPC possible memory growth/workaround?
Category: QuickOPC in .NET
Topic started 28 Sep 2026 15:23, by KPersyn33
Last Post 28 Sep 2026 18:58
by KPersyn33
Replies:2
Views:62
Last Post by KPersyn33
28 Sep 2026 18:58
OPCUA: Unexpected error. Retrieved namespace list contain no entries
Category: QuickOPC in .NET
Topic started 11 Sep 2026 12:39, by Andriy
Last Post 21 Sep 2026 07:28
by Andriy
Replies:6
Views:140
Last Post by Andriy
21 Sep 2026 07:28
OPCUA: Automatic reconnect functionality is unstable in QuickOPC 5.84
Category: QuickOPC in .NET
Topic started 25 Aug 2026 12:53, by Andriy
Last Post 11 Sep 2026 12:18
by Andriy
Replies:5
Views:248
Last Post by Andriy
11 Sep 2026 12:18
OPCUA: AcceptAnyCertificate does not work in v.5.84.192
Category: QuickOPC in .NET
Topic started 07 Sep 2026 14:26, by Andriy
Last Post 11 Sep 2026 12:13
by support
Replies:4
Views:144
Last Post by support
11 Sep 2026 12:13
OPCLabs-UAClientEngine Crash
Category: QuickOPC
Topic started 09 Sep 2026 01:41, by xpycy001
Last Post 11 Sep 2026 10:21
by support
Replies:1
Views:87
Last Post by support
11 Sep 2026 10:21
COM support in 2025.2
Category: QuickOPC
Topic started 09 Sep 2026 16:30, by dave.scott@gribetz.com
Last Post 09 Sep 2026 16:53
by support
Replies:2
Views:99
Last Post by support
09 Sep 2026 16:53

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