Microsoft.Office.Interop third-party program PPT conversion to PDF error

Error message: Retrieving the COM class factory for component with CLSID {91493441-5a91-11cf-8700-00aa0060263b} failed due to the FO Llowing error:8000401a

The server process could not being started because the configured identity is incorrect. Check the username and password. (Exception from HRESULT:0X8000401A)

The server is a Windows 2008 64-bit operating system. Here's how to fix it:

DCOMCNFG Opening Component Services (64-bit operating system for running COMEXP.MSC-32)

Component Services-"computer-" My Computer-"DCOM config-" Microsoft Excel appliction

Right-click Properties-"Security-" add set User

Component Services-"computer-" My Computer-"DCOM config-" Microsoft Excel appliction

Right-click on "Local One" check Run application on the computer where the data is located

Note that in the launch and Activation permissions, the option to start and activate locally is checked at the same time

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Note that after this setup is complete, you may be able to report memory or disk-space errors when you operate Excel, and you need to resolve them as follows:

Right-click Attribute-"identity-" to the interactive user

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Note: If you select Interactive User, you must log on to the system for IIS users to have access to Excel COM

Reference: HTTP://SUPPORT.MICROSOFT.COM/KB/305761/ZH-CN

Microsoft.Office.Interop third-party program PPT conversion to PDF error