Microsoft.interop error while hosting in IIS

Question

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I'am having the following error while hosting an Asp.Net web application in IIS 6.0

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Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 80070002 The system cannot find the file specified. (Exception from HRESULT: 0x80070002).
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What I have tried:

I've tried all the solutions posted here and there through google but none of the advise actually worked for me.
I'll be appreciated if any one can post a step by step solution for the issue.

Is this require a licensed version of Microsoft Office 2007?

Posted 2-Feb-17 3:19am

Amit Roy

Updated 2-Feb-17 3:30am

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Comments

[no name] 2-Feb-17 9:23am

The step by step solution for your problem is the same as everyone else. Office interop is not recommended or supported for web applications. You need to find another way to do whatever it is you are doing.

Philippe Mori 3-Feb-17 10:17am

It is well known that Office interop should not be used on a server. It is not designed for that purpose and even if you make it works, it would be very slow. Having said that, if you don't listen common advices, you would still need to buy a licence for that computer. Don't expect that to be possible if you use shared hosting. By the way, there are many alternatives. One is Open XML SDK.

Richard Deeming 2-Feb-17 10:19am

Google thinks that CLSID is related to Excel. If that's the case, then you'll need to rewrite your code to use a library that doesn't rely on Office Interop - eg:

* EPPlus[^];
* ClosedXML[^];
* ExcelDataReader[^];
* The OpenXML SDK[^];

If it's a different Office application you're trying to automate, you're going to need to find another way to do it.

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F-ES Sitecore · Accepted Answer · 2017-02-02T03:30:00

Solution 1

You can't automate Office apps from a web site, it isn't supported. It might work ok on your local machine but working on your local machine is very different to working in a mutli-threaded environment like a live web server. You'll need to come up with alternatives that are ok to use on a web site.

Posted 2-Feb-17 3:30am

F-ES Sitecore

Comments

Richard Deeming 2-Feb-17 10:16am

Might be worth linking to the MS KB article that backs this up:
Considerations for server-side Automation of Office[^]
Microsoft does not currently recommend, and does not support, Automation of Microsoft Office applications from any unattended, non-interactive client application or component (including ASP, ASP.NET, DCOM, and NT Services), because Office may exhibit unstable behavior and/or deadlock when Office is run in this environment.