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I am facing problems in creating com object for excel on my server, my program is ended up with throwing an exception Failed to create COM object `Excel.Application': "Access is denied"

In event logs I see following error

"The machine-default permission settings do not grant Local Activation permission for the COM Server application with CLSID {00024500-0000-0000-C000-000000000046} and APPID Unavailable to the user IIS APPPOOL\ePortal SID (S-1-5-82-1011135971-235349235-4113034207-2765443716-3287928964) from address LocalHost (Using LRPC). This security permission can be modified using the Component Services administrative tool."

I have given necessary permission but still this error pops up.

Here is the screenshot of permission.

enter image description here

Thanks in advance

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