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Problem to the line

Posted on 2015-02-11
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Last Modified: 2015-03-03
Hi,
Within the Win 7 machine, when running this line

Set objFunc = CreateObject("CSDemo.ComClass1")
...

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I get the attached error. Why?
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Question by:HuaMinChen
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Author Comment

by:HuaMinChen
ID: 40604940
Here is the attached error
t985.png
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Expert Comment

by:jmcg
ID: 40605016
It looks like our friends over on MS Technet have helped you get past this problem:

https://social.technet.microsoft.com/Forums/windowsserver/en-US/bd0019e0-33a7-4bcc-833f-4dc7c8947bd1/problem-to-call-it?forum=ITCG

I suggest that you request this question be closed.
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by:HuaMinChen
ID: 40605029
Yes, that is one related thread posted by me.

But now within one Win 7 machine, I have suffered from the problem mentioned.
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Expert Comment

by:jmcg
ID: 40605144
What you've asked here gives less than adequate information about the situation where you encounter the error. I did a Google search to try to get a clue, since it wasn't clear to me what the context of "CSDemo.ComClass1" might be. I have to admire the folks over there for digging into the problem and recognizing what you were trying to do.

To summarize, the message

 Permission denied: 'CreateObject'

is often the result of an unregistered DLL or running under a user with insufficient priveleges to access the DLL. You can run Sysinternals' Process Monitor to try to discern which DLL is involved.

Process Monitor: https://technet.microsoft.com/en-us/sysinternals/bb896645.aspx

Additional reference: http://forums.iis.net/t/1174101.aspx
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by:HuaMinChen
ID: 40605153
Thanks.
I have the relevant Visual studio project, to generate .TLB file, and then register it to Win 7 machine, using these steps

Start --> Run --> comexp.msc
Navigate to Console Root - Componet Services - Computers - My Computer - COM+ Applications.
Right click on 'COM+ Applications' and create New Application.
Follow the wizard carefully. Hit Next. Create an Empty Application. Name it (mycomapp1 for instance). Make sure Server application radio box is selected. Pick the user account based on the requirement. Hit Next. Next. Finish.
Now you have created a COM+ application named mycomapp1.
Now, you need to add individual COM components to it.
Expand mycomapp1 from the list. Right click on Components. Pick New Component. 
Hit Next in the wizard. This next wizard screen is up to you. I would pick 'Install New components' if I haven’t run a regsvr32 or regasm on it. Pick the told or the dll (containing the tlb) file. And go ahead.. That’s how you do it.

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and I don't know why on one Win 7 machine, I can call VBS script line

Set objFunc = CreateObject("CSDemo.ComClass1")
...

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fine, while on another Win 7 machine, I got the above error, on which the same .tlb file from the same project, had been registered.
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Expert Comment

by:jmcg
ID: 40605215
Time to try Procmon - perhaps on both machines - to see what's different.
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Author Comment

by:HuaMinChen
ID: 40605263
Any other help to this?
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Accepted Solution

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jmcg earned 500 total points
ID: 40606218
You may have reached the limit of what we can do for you. Either there is some difference between the two Win 7 systems you've tried this on that makes the program work on one and not the other,  OR you didn't follow exactly the same steps in each case.

All we  can do is help you learn how to diagnose the problem, since the answer to the question you are asking lies somewhere outside of the information you have provided us. Procmon is a tool that can trace the actions of your process in sufficient detail that you should be able to see where the permissions error arises.
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