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Windows 7: Microsoft Excel Application entry missing in DCOMCNFG


20 Jan 2010   #1

windows 7
 
 
Microsoft Excel Application entry missing in DCOMCNFG

Hi I'm using windows 7 home premium. I have an application in ASP.Net which uses Excel Application Object. It used to work fine in XP but in Windows 7 I'm getting an error as mentioned below:

Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 80070005.

I need to give permissions to Microsoft Excel Application in DCOM config but I can't seem to find this in windows 7. It used to be there in earlier versions but now its not there. I tried to reinstall Office 2007 but still I couldn't find it in DCOM config. Please suggest where I can give permissions to MS Excel Application so that my application runs without errors.

Thanks
Irfan

My System SpecsSystem Spec
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20 Jan 2010   #2

Windows 7 Ultimate x64 Service Pack 1 (Build 6.1.7601)
 
 

1. Control Panel -> Administrative Tools -> Component Services
2. Console Root -> Component Services -> Computers -> My Computer -> DCOM Config
3. Right-Click 'Microsoft Excel Application' and choose Properties
4. Click 'Security' tab
5. Customize 'Launch and Activation Permissions'
6. Add the local ASPNET user and give it all permissions
My System SpecsSystem Spec
20 Jan 2010   #3

windows 7
 
 
Re:

Thanks for the reply.. the problem is that there is no "Microsoft Excel Application" in dcomcnfg.. I'm not able to find it there. I reinstalled Office 2007 also, but still I couldn't find it there.
My System SpecsSystem Spec
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26 Apr 2010   #4

Windows 7 Profesionnal 64bits
 
 

I have the same problem. I took a look in the registry to find the correct CLSID from the appID but I did not found anything. Is there any workaround or solution ?

Best regards
My System SpecsSystem Spec
28 Apr 2010   #5

windows 7
 
 

I found a solution to this problem by giving permissions at system level by following the steps below
1. go to DCOMCNFG
2. In the left tree structure, right click on My Computer and select Properties
3. Click on COM SECURITY tab
4. Give Permissions to Network Service and Users in the "Access Permissions" and "Launch and Activation Permissions" by clicking the Edit Default buttons.

Now check your application.
My System SpecsSystem Spec
04 Aug 2011   #6

Windows 7 64Bit
 
 

This does not fully work. Having changed the settings according to your solution, I could create excel reports (via asp.net, iis and office). however, a day later, this no longer worked although the permissions are still assigned to the network account (and the account of the iis pool). There must be another setting that affects using Office/Excel in IIS 7.5 on Windows Server 2008/Windows 7

Any help is appreciated
My System SpecsSystem Spec
22 Jun 2012   #7

Maharashtra
 
 

Use MMC comexp.msc /32 on Windows 7 x64
My System SpecsSystem Spec
05 Jul 2012   #8

windows 7 64
 
 

This solution is ...
・Windows 2008 Server x64

Please make this folder.
C:\Windows\SysWOW64\config\systemprofile\Desktop
・Windows 2008 Server x86
Please make this folder.
C:\Windows\System32\config\systemprofile\Desktop
My System SpecsSystem Spec
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 Microsoft Excel Application entry missing in DCOMCNFG




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