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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. You do not have to be a licensed user of our product.

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.

Subject Replies / Views Last Post
"Cannot connect topic (timeout). ", and not influenced by EasyDaClient.Timeouts.ReadItem setting
Category: Reading, Writing, Subscriptions, Property Access
Topic started 14 Jan 2011 19:26, by support
Last Post 19 Jan 2011 10:33
by support
Replies:2
Views:3892
Last Post by support
19 Jan 2011 10:33
Timeout Error -1073430509 (0xC004C013)
Category: Reading, Writing, Subscriptions, Property Access
Topic started 07 Jan 2011 14:49, by support
Last Post 12 Jan 2011 07:31
by support
Replies:1
Views:4159
Last Post by support
12 Jan 2011 07:31
SubscribeMultipleItems example vb.net
Category: Reading, Writing, Subscriptions, Property Access
Topic started 09 Dec 2010 12:57, by hbl123
Last Post 28 Dec 2010 15:18
by support
Replies:1
Views:4612
Last Post by support
28 Dec 2010 15:18
WriteItemValue -> "Exception from HRESULT: 0xC004D004"
Category: Reading, Writing, Subscriptions, Property Access
Topic started 24 Nov 2010 13:39, by jorma.sarnikorpi@ontec.fi
Last Post 02 Dec 2010 15:57
by support
Replies:5
Views:6016
Last Post by support
02 Dec 2010 15:57
Subscribe to Bit property
Category: Reading, Writing, Subscriptions, Property Access
Topic started 08 Nov 2010 14:18, by majin
Last Post 09 Nov 2010 06:30
by support
Replies:0
Views:4193
Last Post by support
09 Nov 2010 06:30
Errors 0xC004C013, 0xC004900F, 0xC0049001 in DAVtqResult.Exception (from ReadMultipleItems)
Category: Reading, Writing, Subscriptions, Property Access
Topic started 19 Oct 2010 06:43, by support
Last Post 29 Oct 2010 19:16
by support
Replies:0
Views:4624
Last Post by support
29 Oct 2010 19:16
Can I create groups/tags using QuickOPC.NET?
Category: Reading, Writing, Subscriptions, Property Access
Topic started 19 Oct 2010 12:45, by support
Last Post 19 Oct 2010 12:52
by support
Replies:0
Views:3575
Last Post by support
19 Oct 2010 12:52
How to use WriteMultipleItems method
Category: Reading, Writing, Subscriptions, Property Access
Topic started 23 Sep 2010 08:01, by support
Last Post 28 Sep 2010 09:22
by support
Replies:4
Views:5031
Last Post by support
28 Sep 2010 09:22
using dynamic subscriptions in data grids
Category: Reading, Writing, Subscriptions, Property Access
Topic started 23 Sep 2010 08:51, by support
Last Post 23 Sep 2010 13:06
by support
Replies:1
Views:3606
Last Post by support
23 Sep 2010 13:06
WriteMultipleItemValues example (and bug fix)
Category: Reading, Writing, Subscriptions, Property Access
Topic started 02 Aug 2010 16:29, by support
Last Post 02 Aug 2010 19:56
by admin
Replies:1
Views:3716
Last Post by admin
02 Aug 2010 19:56
ItemChanged Event
Category: Reading, Writing, Subscriptions, Property Access
Topic started 17 May 2010 19:15, by ianfenton@rmtrobotics.com
Last Post 18 May 2010 16:16
by support
Replies:2
Views:6889
Last Post by support
18 May 2010 16:16
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