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CR2008 "Retrieving the COM class factory failed Error8007007f

I have inherited an application that has Cr2008 Reportviewer and Autodesk Mapguide viewer applications, each running in separate applacation pools. The Crystal Reports are access via a menu which then loads the report based on entries in a database.

After starting the website if the reports are accessed first then al is OK with all reports being displayed. If the mapguide viwer is used first then Crystal accessed I get the following error:

"Retrieving the COM class factory for component with CLSID failed due to the following erro: 8007007f"

Also, after successfully access Crystal reports I then try and view Mapguide I get a failed to find DLL error!

This error continues until the website is restarted. This issue occours on the development machines as well on the published website. I have SP3 installed on the development machine and website and mapguide 2011 web extensions.

Any help will be much appreciated.

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  • Best Answer
    Posted on Dec 08, 2011 at 05:08 PM


    Take a look at the below search it provides many useful articles and forum threads.


    The issue is mainly related to application not able to find the appropriate runtimes.

    Hope this helps


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  • Posted on Dec 08, 2011 at 06:49 PM

    I'd start by creating [Process Monitor|] logs. Start with the second scenario:

    If the mapguide viewer is used first then Crystal accessed I get the following error

    Look for "Access denied" messages and any other unusual activity.

    You may want to see what ProcMon tells you in the first scenario (e.g.; running the CR app 1st). Comparing will be difficult, as the log files tend to be quite large, but you should be able to get an idea what is happening when this works vs. when it does not work.


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