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8.2

Excel interop permissions issue?

Asked by Chaosian in DCOM, Programming for ASP.NET, Microsoft Visual Basic.Net

Tags: excel, com, class, interop

VB .NET 2005 (ASP.NET); Excel Interop 11 (Excel 2003); Windows 2003

I've got an app that needs to use the Excel Interop to generate a spreadsheet. This works great on my machine. :)

When I put the page on the server, I get a COM access exception. When I look in the registry, the COM id matches the Excel interop id in the DCOM tree in Component Services. Through Component Services, I have given both the ASPNET user and the guest internet use full permissions to the DCOM object. I've also done the same through explorer for Excel.exe.

The stack trace is:
[UnauthorizedAccessException: Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 80070005.]
   ExcelHelper.FormatWorksheet(String fileName, String lineNumber, Int32 rowCount) +35
   ExcelHelper.GenerateWorkDocument(String templateName, String fileName, Int32 lineId) +221
   Secure_ViewWorkTickets.Page_Load(Object sender, EventArgs e) +97
   System.Web.UI.Control.OnLoad(EventArgs e) +98
   System.Web.UI.Control.LoadRecursive() +71
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4310

Any suggestions as to what I might be doing wrong?
 
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Keywords: Excel interop permissions issue?
 
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[+][-]05/08/07 08:37 AM, ID: 19050714Accepted Solution

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Zones: DCOM, Programming for ASP.NET, Microsoft Visual Basic.Net
Tags: excel, com, class, interop
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Solution Provided By: samtran0331
Participating Experts: 1
Solution Grade: A
 
[+][-]05/08/07 08:47 AM, ID: 19050805Author Comment

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[+][-]05/08/07 08:51 AM, ID: 19050843Author Comment

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