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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
OPC Server Certficate Confirmation
Category: Connections, Reconnections, Certificates
Topic started 10 Aug 2021 05:58, by aksenthil
Last Post 18 Aug 2021 06:44
by support
Replies:7
Views:1051
Last Post by support
18 Aug 2021 06:44
Timeouts, reconnections
Category: Connections, Reconnections, Certificates
Topic started 15 Jun 2012 11:39, by support
Last Post 29 Jul 2021 13:33
by support
Replies:0
Views:9123
Last Post by support
29 Jul 2021 13:33
Cannot connect to KepServer - OPC UA service result - {BadUserAccessDenied}
Category: Connections, Reconnections, Certificates
Topic started 06 Jul 2021 14:36, by micham
Last Post 18 Jul 2021 19:06
by support
Replies:16
Views:8783
Last Post by support
18 Jul 2021 19:06
EasyOpcUADemo Unable to Connect to KEPServerEX
Category: Connections, Reconnections, Certificates
Topic started 09 Apr 2021 20:45, by gkalipershad
Last Post 16 Jun 2021 12:39
by gkalipershad
Replies:11
Views:2586
Last Post by gkalipershad
16 Jun 2021 12:39
CryptographicException when connecting to Opc UA server
Category: Connections, Reconnections, Certificates
Topic started 19 Apr 2021 13:54, by Cavallari
Last Post 16 Jun 2021 07:10
by support
Replies:9
Views:1704
Last Post by support
16 Jun 2021 07:10
connection failure in dot net core error : 0x808A0000
Category: Connections, Reconnections, Certificates
Topic started 29 May 2021 18:44, by aksenthil
Last Post 31 May 2021 14:49
by support
Replies:7
Views:1704
Last Post by support
31 May 2021 14:49
read Connectionstate
Category: Connections, Reconnections, Certificates
Topic started 24 May 2021 09:44, by AdiROC
Last Post 24 May 2021 12:50
by AdiROC
Replies:2
Views:1024
Last Post by AdiROC
24 May 2021 12:50
Connection best practice
Category: Connections, Reconnections, Certificates
Topic started 22 May 2021 12:09, by DarrenYoung
Last Post 22 May 2021 17:38
by support
Replies:1
Views:835
Last Post by support
22 May 2021 17:38
Unsubscription Error
Category: Connections, Reconnections, Certificates
Topic started 08 Apr 2021 16:53, by Rperez
Last Post 13 Apr 2021 16:42
by support
Replies:8
Views:951
Last Post by support
13 Apr 2021 16:42
OPC UA - User Name with backslash (\)
Category: Connections, Reconnections, Certificates
Topic started 15 Mar 2021 16:04, by Rperez
Last Post 16 Mar 2021 12:25
by Rperez
Replies:10
Views:2794
Last Post by Rperez
16 Mar 2021 12:25
OPC UA - User Name with backslash (\)
Category: Connections, Reconnections, Certificates
Topic started 15 Mar 2021 16:18, by Rperez
Last Post 15 Mar 2021 16:18
by Rperez
Replies:0
Views:920
Last Post by Rperez
15 Mar 2021 16:18
Unable to use Username/Password identity with SecurityPolicy 'None'
Category: Connections, Reconnections, Certificates
Topic started 15 Feb 2021 15:45, by Mykola
Last Post 16 Feb 2021 10:03
by support
Replies:1
Views:1679
Last Post by support
16 Feb 2021 10:03
BadSecurityChecksFailed: not browse tags
Category: Connections, Reconnections, Certificates
Topic started 03 Feb 2021 10:16, by Scattolaro
Last Post 10 Feb 2021 10:29
by Scattolaro
Replies:10
Views:4184
Last Post by Scattolaro
10 Feb 2021 10:29
Upgrading toolkit form 5.35 to 5.59 - General question
Category: Connections, Reconnections, Certificates
Topic started 11 Dec 2020 18:41, by Restrepo
Last Post 12 Dec 2020 09:49
by support
Replies:3
Views:918
Last Post by support
12 Dec 2020 09:49
Could not load configuration file.
Category: Connections, Reconnections, Certificates
Topic started 17 Nov 2020 09:15, by LaurentzT
Last Post 17 Nov 2020 16:34
by support
Replies:5
Views:2132
Last Post by support
17 Nov 2020 16:34
Frequent detached and attached messages
Category: Connections, Reconnections, Certificates
Topic started 02 Nov 2020 12:33, by amps
Last Post 02 Nov 2020 12:37
by support
Replies:1
Views:847
Last Post by support
02 Nov 2020 12:37
Connection TimeOut?
Category: Connections, Reconnections, Certificates
Topic started 16 Oct 2020 09:01, by andis59
Last Post 16 Oct 2020 14:30
by support
Replies:1
Views:1558
Last Post by support
16 Oct 2020 14:30
OpcLabs lost connection to Kepware
Category: Connections, Reconnections, Certificates
Topic started 09 Mar 2015 12:20, by adid@contel.co.il
Last Post 16 Sep 2020 15:36
by support
Replies:4
Views:6479
Last Post by support
16 Sep 2020 15:36
Reconnections attempts stops
Category: Connections, Reconnections, Certificates
Topic started 05 Aug 2020 22:05, by sjscheider
Last Post 07 Aug 2020 17:13
by support
Replies:3
Views:1468
Last Post by support
07 Aug 2020 17:13
Trusting certificate with AcceptAnyCertificate
Category: Connections, Reconnections, Certificates
Topic started 08 Jan 2020 16:49, by SolutionNow
Last Post 09 Jul 2020 20:35
by support
Replies:9
Views:3004
Last Post by support
09 Jul 2020 20:35
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