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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
EasyDAClient Issue - Connection Attempt Causes Server Error
Category: Connections, Reconnections, COM/DCOM
Topic started 23 Oct 2013 23:06, by celder
Last Post 25 Oct 2013 05:22
by support
Replies:3
Views:5060
Last Post by support
25 Oct 2013 05:22
How to modify OPC connection parameters ?
Category: Connections, Reconnections, COM/DCOM
Topic started 20 Oct 2013 07:57, by krannila
Last Post 21 Oct 2013 06:58
by support
Replies:5
Views:5397
Last Post by support
21 Oct 2013 06:58
COMException in IIS8 / Windows Server 2012
Category: Connections, Reconnections, COM/DCOM
Topic started 16 Oct 2013 06:23, by patrick
Last Post 18 Oct 2013 08:41
by support
Replies:6
Views:7308
Last Post by support
18 Oct 2013 08:41
Trail Version "Access Denied" Error
Category: Connections, Reconnections, COM/DCOM
Topic started 16 Sep 2013 13:20, by mjs5498
Last Post 18 Sep 2013 05:37
by support
Replies:3
Views:6144
Last Post by support
18 Sep 2013 05:37
RPC Server unavailable when trying to connect across LAN
Category: Connections, Reconnections, COM/DCOM
Topic started 24 May 2013 21:48, by davejp21
Last Post 28 Jun 2013 12:59
by support
Replies:12
Views:23.7k
Last Post by support
28 Jun 2013 12:59
OPC Operation failure
Category: Connections, Reconnections, COM/DCOM
Topic started 02 Apr 2013 14:46, by arahming
Last Post 04 Apr 2013 06:30
by support
Replies:3
Views:4891
Last Post by support
04 Apr 2013 06:30
Publication in IIS 7
Category: Connections, Reconnections, COM/DCOM
Topic started 21 Jan 2013 12:31, by alissonhaubert
Last Post 31 Jan 2013 08:29
by admin
Replies:1
Views:5170
Last Post by admin
31 Jan 2013 08:29
Access is denied error
Category: Connections, Reconnections, COM/DCOM
Topic started 10 Jan 2013 16:52, by gmessoroch
Last Post 14 Jan 2013 20:38
by gmessoroch
Replies:13
Views:16k
Last Post by gmessoroch
14 Jan 2013 20:38
Problem reading and writing values to SISCO AX-S4 ICCP Server from Windows Service
Category: Connections, Reconnections, COM/DCOM
Topic started 29 Nov 2012 19:59, by gmessoroch
Last Post 01 Dec 2012 08:45
by support
Replies:2
Views:8820
Last Post by support
01 Dec 2012 08:45
Detect if OPC Server exists?
Category: Connections, Reconnections, COM/DCOM
Topic started 28 Nov 2012 15:42, by tlaford
Last Post 29 Nov 2012 17:54
by tlaford
Replies:3
Views:7078
Last Post by tlaford
29 Nov 2012 17:54
windows service not open connection opc
Category: Connections, Reconnections, COM/DCOM
Topic started 09 Oct 2012 17:36, by alissonhaubert
Last Post 15 Oct 2012 19:44
by support
Replies:10
Views:10.8k
Last Post by support
15 Oct 2012 19:44
Monitoring [OPC] Server State
Category: Connections, Reconnections, COM/DCOM
Topic started 30 Aug 2012 10:17, by support
Last Post 30 Aug 2012 10:17
by support
Replies:0
Views:6139
Last Post by support
30 Aug 2012 10:17
Trial version of Quick OPC Classic 5.1 - can it access the network?
Category: Connections, Reconnections, COM/DCOM
Topic started 12 Nov 2011 14:41, by support
Last Post 10 Aug 2012 14:37
by support
Replies:37
Views:18.1k
Last Post by support
10 Aug 2012 14:37
error, OPC operation failed - ClassFactory can not supply requested class
Category: Connections, Reconnections, COM/DCOM
Topic started 01 Aug 2012 18:59, by alissonhaubert
Last Post 02 Aug 2012 14:33
by support
Replies:4
Views:5374
Last Post by support
02 Aug 2012 14:33
"Access Denied" with .NET 4.0
Category: Connections, Reconnections, COM/DCOM
Topic started 13 Jun 2012 12:34, by Roshan123
Last Post 14 Jun 2012 07:11
by support
Replies:0
Views:4811
Last Post by support
14 Jun 2012 07:11
Access Denied Error Using VB.Net and Phoenix Contact
Category: Connections, Reconnections, COM/DCOM
Topic started 10 May 2012 20:18, by cuttajoe
Last Post 11 May 2012 09:58
by support
Replies:0
Views:5173
Last Post by support
11 May 2012 09:58
C# app connecting to RSLinx
Category: Connections, Reconnections, COM/DCOM
Topic started 16 Mar 2012 17:45, by support
Last Post 10 May 2012 15:33
by support
Replies:2
Views:9181
Last Post by support
10 May 2012 15:33
QuickOPC Access Denied Error when browsing Items from Siemens Simatic OPC Server
Category: Connections, Reconnections, COM/DCOM
Topic started 07 May 2012 10:23, by Niklas
Last Post 09 May 2012 11:03
by support
Replies:0
Views:4390
Last Post by support
09 May 2012 11:03
Slow first connection to SoftPLC
Category: Connections, Reconnections, COM/DCOM
Topic started 23 Feb 2012 13:06, by owe@eurosys.se
Last Post 22 Mar 2012 18:33
by owe@eurosys.se
Replies:5
Views:5548
Last Post by owe@eurosys.se
22 Mar 2012 18:33
confirming that the connection to an OPC server is valid and live
Category: Connections, Reconnections, COM/DCOM
Topic started 10 Mar 2012 09:33, by support
Last Post 10 Mar 2012 10:49
by support
Replies:0
Views:5044
Last Post by support
10 Mar 2012 10:49
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