Question

CLSID(...) IS NOT VALID OR NOT REGISTERED.

Asked by: cjvoorhees

HI,

I have a clientserver program that was writtern in c++ 6.0. It has a executable(.exe) that was registered with /register switch when run. The regedit shows that this program is registered. There is another vb.net program that access interface in this .exe program. When the .exe program is running under my account and the vb.net is also running under my account i can succesfully get to .exe and get the interface working. Problem is that if the .exe is run under account like administrator than my vb.net cannot see the .exe and i get error:   COM object with CLSID {68B84496-EEE5-4EE4-9AB0-2D823B935031} is either not valid or not registered.

The code sample in vb.net is as follows:

 Dim sd As New SDFUNCTIONSWITCHDev.FunctionCaller
    Dim RTNS As Long

        Dim RMSG As String
        txtSend.Text.Replace("^", Chr(134)).ToUpper()
        Dim MSNG As String
        MSNG = txtSend.Text
        RTNS = sd.Invoke(MSNG, RMSG)
        txtReceive.Text = RMSG


sdfunctionswitch is the referenced in COM and program compiles. It only works when the .exe (sdfunctionswitch.exe) is running under my account. I want to run .exe so that any user can access the interface without getting above error.


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Asked On
2005-06-16 at 11:18:34ID21460825
Tags

valid

,

clsid

,

either

,

registered

Topic

Windows Programming

Participating Experts
2
Points
500
Comments
5

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Answers

 

by: novitiatePosted on 2005-06-16 at 19:13:49ID: 14237096

try DCOMCNFG.exe to set Launch & Access permissions.

_novi_

 

by: cjvoorheesPosted on 2005-06-17 at 09:00:28ID: 14242316

how can i use dcomcnfg to launch the .exe so that it appears on the windows server

 

by: _corey_Posted on 2005-06-28 at 09:15:37ID: 14320005

These settings are available via the COM api as well but you can set the permissions using dcomcnfg by lauching it from Run.

Then select 'Component Services' then 'Computers' then 'My Computer' then 'DCOM Config' and select the appropriate item.

Right-click on the item and select 'Properties' and select the 'Security' tab in the new window.  You will see the option to customize the Launch and Activation Permissions along with Access Permissions.

You can find API information, and apparantly more on DCOMCNFG here: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/com/html/c9f6d06c-da24-48ea-908a-2462c33f7ee3.asp ["Security in COM"]

corey

 

by: cjvoorheesPosted on 2005-11-04 at 08:21:17ID: 15225487

I should have closed this a  long time ago - both answers helped set us off in the right direction.  

Thanks.

20120131-EE-VQP-002

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