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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
BadSecurityChecksFailed = 0x80130000, Unexpected signature algorithm
Category: Connections, Reconnections, Certificates
Topic started 18 Mar 2012 10:50, by support
Last Post 24 Oct 2016 10:22
by support
Replies:2
Views:13.9k
Last Post by support
24 Oct 2016 10:22
Using computer name as
Category: Connections, Reconnections, Certificates
Topic started 18 Oct 2016 14:03, by andis59
Last Post 19 Oct 2016 07:21
by support
Replies:3
Views:7057
Last Post by support
19 Oct 2016 07:21
OPC-UA Endpoint DomainMismatch, and ObjectDisposedException
Category: Connections, Reconnections, Certificates
Topic started 12 Jul 2016 07:52, by Erik
Last Post 20 Jul 2016 07:44
by support
Replies:7
Views:6298
Last Post by support
20 Jul 2016 07:44
OPC-UA client cannot dispose after internal error (Quick-OPC 5.35 build 442.1)
Category: Connections, Reconnections, Certificates
Topic started 07 Jul 2016 11:57, by UKPR
Last Post 08 Jul 2016 07:13
by support
Replies:3
Views:5342
Last Post by support
08 Jul 2016 07:13
How to set client certificate parameters; examples in VBA, VBScript, C#
Category: Connections, Reconnections, Certificates
Topic started 06 Jul 2016 10:55, by support
Last Post 06 Jul 2016 10:55
by support
Replies:0
Views:180
Last Post by support
06 Jul 2016 10:55
OPC-UA client session is disconnecting, why?
Category: Connections, Reconnections, Certificates
Topic started 29 Mar 2016 13:43, by openventure
Last Post 17 Jun 2016 17:18
by support
Replies:23
Views:21k
Last Post by support
17 Jun 2016 17:18
How to trust the server
Category: Connections, Reconnections, Certificates
Topic started 07 Jun 2016 16:28, by giles
Last Post 07 Jun 2016 19:05
by giles
Replies:14
Views:11.4k
Last Post by giles
07 Jun 2016 19:05
Could not create a certificate via a proxy: Input file was not processed properly.
Category: Connections, Reconnections, Certificates
Topic started 17 Mar 2016 09:12, by david.weiss
Last Post 17 Mar 2016 09:59
by support
Replies:3
Views:7753
Last Post by support
17 Mar 2016 09:59
No notification for disconnect
Category: Connections, Reconnections, Certificates
Topic started 08 Feb 2016 09:37, by giles
Last Post 08 Feb 2016 10:26
by support
Replies:3
Views:4795
Last Post by support
08 Feb 2016 10:26
The OPC-UA subscription publishing has stopped.
Category: Connections, Reconnections, Certificates
Topic started 17 Jul 2015 11:49, by Alex-Derksen
Last Post 17 Jul 2015 14:08
by support
Replies:1
Views:3
Last Post by support
17 Jul 2015 14:08
Unable to access windows certificate store
Category: Connections, Reconnections, Certificates
Topic started 12 Mar 2015 15:04, by Bmello4688
Last Post 21 Mar 2015 18:20
by support
Replies:1
Views:5351
Last Post by support
21 Mar 2015 18:20
Opc Labs cause the Kepware to stuck
Category: Connections, Reconnections, Certificates
Topic started 03 Mar 2015 15:59, by adid@contel.co.il
Last Post 08 Mar 2015 12:55
by adid@contel.co.il
Replies:3
Views:5517
Last Post by adid@contel.co.il
08 Mar 2015 12:55
Internal Subscriptions with UA
Category: Connections, Reconnections, Certificates
Topic started 05 Mar 2015 09:06, by support
Last Post 05 Mar 2015 09:17
by support
Replies:1
Views:5075
Last Post by support
05 Mar 2015 09:17
Speed
Category: Connections, Reconnections, Certificates
Topic started 02 Mar 2015 15:51, by Gardoni
Last Post 03 Mar 2015 12:21
by support
Replies:3
Views:6127
Last Post by support
03 Mar 2015 12:21
can not connect outside of local network
Category: Connections, Reconnections, Certificates
Topic started 22 Feb 2015 12:53, by adid@contel.co.il
Last Post 24 Feb 2015 09:50
by support
Replies:3
Views:7105
Last Post by support
24 Feb 2015 09:50
OpcLabs doesn't cause client "jump" in Trusted Clients
Category: Connections, Reconnections, Certificates
Topic started 04 Feb 2015 13:00, by adid@contel.co.il
Last Post 10 Feb 2015 09:54
by support
Replies:13
Views:13.3k
Last Post by support
10 Feb 2015 09:54
The CertificateGenerator utility is not installed.
Category: Connections, Reconnections, Certificates
Topic started 27 Nov 2013 15:00, by adid@contel.co.il
Last Post 12 Jan 2015 15:43
by support
Replies:8
Views:17.3k
Last Post by support
12 Jan 2015 15:43
EasyUAClient - browsing, user authentication with a certificate, etc.
Category: Connections, Reconnections, Certificates
Topic started 13 Oct 2014 13:22, by g.aino
Last Post 05 Nov 2014 13:13
by support
Replies:30
Views:30.8k
Last Post by support
05 Nov 2014 13:13
Error "The CertificateGenerator utility is not installed."
Category: Connections, Reconnections, Certificates
Topic started 10 Oct 2014 08:54, by support
Last Post 10 Oct 2014 11:48
by support
Replies:3
Views:12.7k
Last Post by support
10 Oct 2014 11:48
Specifying security policy, user name and password
Category: Connections, Reconnections, Certificates
Topic started 11 Sep 2014 15:12, by support
Last Post 11 Sep 2014 15:25
by support
Replies:1
Views:6594
Last Post by support
11 Sep 2014 15:25
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