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Questions tagged [dcom]

Distributed COM (DCOM) is a protocol that enables software components to communicate with one another over a network.

DCOM is the distributed extension of COM. It specifies the additional infrastructure that is required to further extend COM to networked environments and enable software components to communicate with one another over a network. DCOM is designed for use across multiple network transports, including Internet protocols such as HTTP. It is based on the OSF's DCE RPC specification and implemented as a layer over Microsoft RPC.

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how to add your dcom project to component services

So, I am trying to add in a new dll to an old project (that I didn't start). It all goes well, in that I am able to add a dll and use its functions - no problem. However, when it came time to test the project, after building it and packaging the…
Aj Godinez
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Weird Error. 8007007E : Retrieving the COM class factory for component{} - 8007007E

I have deployed a Web Application(developed in VS 2008) on Windows 2003 Server 32bit OS. My application uses Microsoft Office Word(i am using it to Generate PDF). Application is running perfectly fine, .Doc & .Pdf are being generated. But once i…
MK4
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Vagrant error E_NOINTERFACE starting VirtualBox different versions in Windows 7 SP1 x64 Ultimate (COM/DCOM error?)

I am trying to start VirtualBox (versions 5.1, 4.3.4, 4.16) in Windows 7 SP1 x64 Ultimate via Vagrant 1.7.4 command 'vagrant up' and i am getting error Bringing machine 'default' up with 'virtualbox' provider... There was an error while…
WebComer
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When making a remote COM call, where does the proxy stub DLL need to be registered?

I have a client-server setup, a module SomethingApp.exe implementing IDL defined interface ISomething lives on the server; in addition SomethingPS.dll is created by the IDL compiler as a stub for ISomething I access ISomething from a remote client…
Mr. Boy
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i can't find CLSID {0006F03A-0000-0000-C000-000000000046} or ms-outlook on DCOM

I received the following error when I tried to send email from web application although it was working good before , Do you have any idea about that ? and it working in the debug mode of visual studio but is not working through the IIS right…
Ahmed kamal
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Classic ASP with COM throwing "Data source name not found and no default driver specified" on Windows Server 2008 R2

We have a classic ASP application that connects to a COM component. The COM component reads a connection string from the registry and connects to a datasource. We exported the COM package out of a 2003 box and imported into a 2008 R2 box. We've…
Jason N. Gaylord
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Access Denied OutLook DCOM

I'm trying an ASP.NET App and I have a problem with OutLook. Code behind : OutlookApplication = new Application(); NameSpace nameSpace = OutlookApplication.GetNamespace("MAPI"); nameSpace.Logon("", "", missing, missing); nameSpace = null; When I…
GrayFox
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A Security Package Specific Error Occurred from DCOM

I have created VB.NET application using OPC Labs QuickOPC Classic 5.12 to get the data form the PLC server(SoftwareToolBox's Top server in remote machine). I have configured the DCOM setup in the client machine and server machine. The application is…
Saravana Kumar
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IIS Permission Denied 70 error when CGI attempts to Instantiate InternetExplorer.Application

Context: Windows Server 2012 R2 (Azure VM) IIS: 8.5 The CGI application is a 32bit EXE. It calls the MSScript object to evaluate a JScript script. The JScript attempts to instantiate InternetExplorer.Application. The attempt fails consistently with…
bugmagnet
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Enable DCOM via VBScript

I want to enable DCOM using VBScript. It is possible to enable DCOM like this, but I am searching for a way to do this via VBS. Is this possible ? May with RegKeys ...?
npit
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How to configure DCOM access, launch and set run as permission using c#

I'm trying to configure access, launch permissions along with set run as to one of our custom DCOM application. I have already gone through these links dcomcnfg functionality programmatically and…
user2913184
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InvokeHelper() throws Access is denied exception

Community, I have quite interesting and in the same time heavy problem. I have VB .NET application + Service + C++ application. C++ application generates some data and makes callbacks using InvokeHelper() method: InvokeHelper(0x60030000,…
MaksimNikicin
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DCOM Error Based on Number of Users

I have an application that uses a DCOM component to get data from remote machines. A client is getting strange behavior when using this app on Windows Server 2012. The first 12 users to connect via RDP can use the app just fine but the 13th user is…
Dennis
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Add reference to DCOM server in C#, without type library or IDispatch

I am currently working on a DCOM client/server application pair. The DCOM server is in C++, whilst the client is to be implented with C#. What I want to do is add a reference to my DCOM server, which is met with the following error: A reference to…
Bart
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Read data from HDA server returns E_INVALIDHANDLE

I'm using the OpcNetApi assembly to connect and read data from a Matrikon OPC HDA server. Connection is taking place however I'm receiving an E_INVALIDHANDLE error as ResultID when trying to pull some test data from the server. This is how far I…
jdecuyper
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