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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.

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Subject Replies / Views Last Post
DCOM permissions and UseCustomSecurity, TurnOffActivationSecurity, and TurnOffCallSecurity
Category: Connections, Reconnections, COM/DCOM
Topic started 01 Oct 2014 11:40, by support
Last Post 01 Oct 2014 13:50
by support
Replies:2
Views:8779
Last Post by support
01 Oct 2014 13:50
Meaning of error “Cannot connect Data Access client (timeout).” and “Cannot connect topic (timeout).”
Category: Connections, Reconnections, COM/DCOM
Topic started 29 Sep 2014 17:54, by support
Last Post 29 Sep 2014 17:56
by support
Replies:1
Views:6589
Last Post by support
29 Sep 2014 17:56
Get servers from the Remote Machine
Category: Connections, Reconnections, COM/DCOM
Topic started 23 Sep 2014 16:25, by pankaj
Last Post 25 Sep 2014 06:58
by support
Replies:3
Views:5140
Last Post by support
25 Sep 2014 06:58
Connecting to remote OPC Server
Category: Connections, Reconnections, COM/DCOM
Topic started 15 Sep 2014 11:21, by limonka
Last Post 20 Sep 2014 09:25
by limonka
Replies:8
Views:7956
Last Post by limonka
20 Sep 2014 09:25
Cannot Connect Topic or Cannot Connect Data Access Client
Category: Connections, Reconnections, COM/DCOM
Topic started 15 Aug 2014 20:31, by cdunlap
Last Post 27 Aug 2014 19:40
by support
Replies:8
Views:8321
Last Post by support
27 Aug 2014 19:40
Invalid Class String on Windows Server 2008 R2 Using OPC Core Components 3.00 Redistributable (x64)
Category: Connections, Reconnections, COM/DCOM
Topic started 14 Jul 2014 13:16, by mattbbpl
Last Post 07 Aug 2014 09:23
by support
Replies:9
Views:9968
Last Post by support
07 Aug 2014 09:23
OPC Server running out of memory.
Category: Connections, Reconnections, COM/DCOM
Topic started 25 Jul 2014 16:09, by jbritton
Last Post 26 Jul 2014 19:17
by support
Replies:1
Views:7046
Last Post by support
26 Jul 2014 19:17
Access Denied error while browsing tags in Quick OPC
Category: Connections, Reconnections, COM/DCOM
Topic started 11 Jun 2014 07:00, by Kathir
Last Post 12 Jun 2014 09:14
by support
Replies:1
Views:5662
Last Post by support
12 Jun 2014 09:14
DCOM Configuration on Windows 7
Category: Connections, Reconnections, COM/DCOM
Topic started 30 May 2014 05:31, by f.rossomando@gmail.com
Last Post 12 Jun 2014 09:06
by support
Replies:3
Views:12.4k
Last Post by support
12 Jun 2014 09:06
Using QuickOPC 5.22 with different Windows users
Category: Connections, Reconnections, COM/DCOM
Topic started 09 May 2014 06:47, by sjoerdjanssen
Last Post 12 May 2014 14:00
by support
Replies:3
Views:4818
Last Post by support
12 May 2014 14:00
New Client Program Failing Over LAN
Category: Connections, Reconnections, COM/DCOM
Topic started 24 Apr 2014 23:01, by celder
Last Post 01 May 2014 15:07
by celder
Replies:8
Views:7220
Last Post by celder
01 May 2014 15:07
Accessing sessions from EasyXXClient
Category: Connections, Reconnections, COM/DCOM
Topic started 24 Apr 2014 14:59, by mairoldi
Last Post 25 Apr 2014 05:39
by support
Replies:1
Views:3
Last Post by support
25 Apr 2014 05:39
Error "Class not registered"
Category: Connections, Reconnections, COM/DCOM
Topic started 19 Feb 2014 16:32, by Astolfi
Last Post 21 Feb 2014 14:37
by support
Replies:11
Views:26.2k
Last Post by support
21 Feb 2014 14:37
UA Client Certificates
Category: Connections, Reconnections, COM/DCOM
Topic started 24 Jan 2014 20:32, by rsikes
Last Post 24 Jan 2014 20:32
by rsikes
Replies:0
Views:5
Last Post by rsikes
24 Jan 2014 20:32
EasyUAClient
Category: Connections, Reconnections, COM/DCOM
Topic started 23 Jan 2014 14:49, by adid@contel.co.il
Last Post 23 Jan 2014 17:40
by support
Replies:1
Views:10
Last Post by support
23 Jan 2014 17:40
Error: Class is not licensed for use
Category: Connections, Reconnections, COM/DCOM
Topic started 18 Dec 2013 15:52, by Shea
Last Post 18 Dec 2013 17:24
by Shea
Replies:3
Views:16.5k
Last Post by Shea
18 Dec 2013 17:24
Accsess Denied to Read Item (Foxboro DCS)
Category: Connections, Reconnections, COM/DCOM
Topic started 06 Dec 2013 03:56, by kutarte
Last Post 10 Dec 2013 08:24
by support
Replies:6
Views:7756
Last Post by support
10 Dec 2013 08:24
OPC DCOM
Category: Connections, Reconnections, COM/DCOM
Topic started 02 Dec 2013 13:30, by barbieri
Last Post 04 Dec 2013 08:27
by support
Replies:3
Views:6205
Last Post by support
04 Dec 2013 08:27
Reconnection to Schneider OPC Factory Server
Category: Connections, Reconnections, COM/DCOM
Topic started 02 Aug 2013 15:13, by Shea
Last Post 13 Nov 2013 08:37
by support
Replies:11
Views:15.7k
Last Post by support
13 Nov 2013 08:37
Initial connection issue
Category: Connections, Reconnections, COM/DCOM
Topic started 23 Oct 2013 18:55, by Shea
Last Post 31 Oct 2013 08:16
by support
Replies:3
Views:4747
Last Post by support
31 Oct 2013 08:16
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