Export to excel giving error

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Dear all,

I am getting error while exporting the report in excel. i have a windows server 2012, with IIS 8.0 and SQL server 2012.

The code runs fine when i run locally. But as soon as i host it on the IIS it give error.

The Error is:

Server Error in '/' Application.

Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 80070005 Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)).

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.UnauthorizedAccessException: Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 80070005 Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)).

Please help me out in resolving the issue.

Regards,
venga

Posted 13-Jul-14 19:55pm

mvengaqua

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Maciej Los 14-Jul-14 2:02am

We need to see the code in which error occurred.

1 solution

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nilesh sawardekar · Accepted Answer · 2014-07-13T20:03:00

Make sure that you have Office runtime installed on the server.
If you are using Windows Server 2008 then using office interops is a lenghty configuration and here are the steps.
Better is to move to Open XML or you can configure as below

Install MS Office Pro Latest
Create User ExcelUser. Assign WordUser with Admin Group
Go to Computer -> Manage
Add User with below options
User Options Password Never Expires
Password Cannot Be Change
Com+ Configuration

Go to Control Panel - > Administrator -> Component Services -> DCOM Config
Open Microsoft Word 97 - 2003 Properties
General -> Authentication Level : None
Security -> Customize all 3 permissions to allow everyone
Identity -> This User -> Use ExcelUser /password
Launch the Excel App to make sure everything is fine
3.Change the security settings of Microsoft Excel Application in DCOM Config.

Controlpanel --> Administrative tools-->Component Services -->computers --> myComputer -->DCOM Config --> Microsoft Excel Application.

Right click to get properties dialog. Go to Security tab and customize permissions

See the posts here: Error while creating Excel object , Excel manipulations in WCF using COM