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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
High CPU usage peaks
Category: Reading, Writing, Subscriptions
Topic started 12 Jun 2017 06:35, by RH
Last Post 07 Aug 2017 21:49
by alr1976
Replies:6
Views:5579
Last Post by alr1976
07 Aug 2017 21:49
Difference between WriteValue und WriteMultipleValues
Category: Reading, Writing, Subscriptions
Topic started 14 Jun 2017 09:26, by RH
Last Post 14 Jun 2017 14:21
by support
Replies:5
Views:4541
Last Post by support
14 Jun 2017 14:21
_EasyUAMonitoredItemChangedEventArgs
Category: Reading, Writing, Subscriptions
Topic started 05 Oct 2015 10:15, by Dq-soft
Last Post 14 May 2017 07:42
by support
Replies:4
Views:5739
Last Post by support
14 May 2017 07:42
Decimal Problem
Category: Reading, Writing, Subscriptions
Topic started 08 Mar 2017 09:56, by alr1976
Last Post 08 Mar 2017 14:48
by support
Replies:3
Views:4988
Last Post by support
08 Mar 2017 14:48
Maximum number of nodes in multiple read/write functions
Category: Reading, Writing, Subscriptions
Topic started 22 Dec 2016 09:56, by RH
Last Post 22 Dec 2016 10:28
by RH
Replies:2
Views:4313
Last Post by RH
22 Dec 2016 10:28
Help with VBA Code
Category: Reading, Writing, Subscriptions
Topic started 28 Dec 2015 22:03, by cdunlap
Last Post 21 Aug 2016 10:43
by support
Replies:9
Views:7387
Last Post by support
21 Aug 2016 10:43
Obtaining type of the value
Category: Reading, Writing, Subscriptions
Topic started 21 Jan 2016 10:07, by Manfred
Last Post 21 Jan 2016 12:53
by support
Replies:1
Views:4658
Last Post by support
21 Jan 2016 12:53
UA Client with VB6
Category: Reading, Writing, Subscriptions
Topic started 18 Jan 2016 13:32, by support
Last Post 18 Jan 2016 16:05
by support
Replies:1
Views:4955
Last Post by support
18 Jan 2016 16:05
Excel Read and Write
Category: Reading, Writing, Subscriptions
Topic started 10 Dec 2015 09:52, by stkewors
Last Post 11 Dec 2015 08:20
by support
Replies:3
Views:5372
Last Post by support
11 Dec 2015 08:20
Data updates missing, and not in the correct order
Category: Reading, Writing, Subscriptions
Topic started 09 Nov 2015 10:41, by support
Last Post 10 Nov 2015 11:15
by support
Replies:4
Views:5998
Last Post by support
10 Nov 2015 11:15
VBA: How to get a Word from opc-ua server?
Category: Reading, Writing, Subscriptions
Topic started 07 Aug 2015 12:03, by LaurentzT
Last Post 07 Aug 2015 13:11
by support
Replies:1
Views:6033
Last Post by support
07 Aug 2015 13:11
Slow read speed with C/COM client
Category: Reading, Writing, Subscriptions
Topic started 14 Jul 2015 07:50, by pfp.meijers
Last Post 03 Aug 2015 08:54
by support
Replies:6
Views:6256
Last Post by support
03 Aug 2015 08:54
Bytestring parameter EasyOPC
Category: Reading, Writing, Subscriptions
Topic started 13 May 2015 19:31, by support
Last Post 13 May 2015 19:44
by support
Replies:1
Views:5374
Last Post by support
13 May 2015 19:44
Cell update in Excel VBA gives runtime error 50290
Category: Reading, Writing, Subscriptions
Topic started 08 Jan 2015 10:39, by support
Last Post 13 Jan 2015 15:52
by support
Replies:4
Views:18.7k
Last Post by support
13 Jan 2015 15:52
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