Excel Interop : System.Runtime.InteropServices.COMException (0x800A03EC): Microsoft Office Excel cannot access the file

Introduction

System.Runtime.InteropServices.COMException (0x800A03EC): Microsoft Office Excel cannot access the file 'D:\sunil\sunil.xls. There are several possible reasons: • the file name or path does not exist. •

This error occur on widows server 2008 r2 64 bit

 

Solution

Create folder Desktop.

Create directory "C:\Windows\SysWOW64\config\systemprofile\Desktop” (for 64 bit Windows) or "C:\Windows\System32\config\systemprofile\Desktop” (for 32 bit Windows)

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HTTP Error 404 - File or Directory not found with IIS 6.0

Introduction

"HTTP Error 404 - File or Directory not found" error message when you request dynamic content with IIS 6.0

Description

When you request dynamic content such as an Active Server Pages (ASP) page, an ASP.NET page, an Internet Services API (ISAPI) application, or a Common Gateway Interface (CGI) application on a Microsoft Windows Server 2003 server that is running Internet Information Services (IIS) 6.0, you may receive one of the following error messages:

Error message 1

HTTP Error 404 - File Not Found

Error message 2

HTTP Error 404- File or Directory not found

Solution

To permit IIS to serve content that requires a specific ISAPI or CGI extension that is already listed in the Web service extensions list, follow these steps:

1. Open IIS Manager, expand the master server node (that is, the Server name node), and then select the Web service extensions node.
2. In the right pane of IIS Manager, right-click the extension that you want to enable. In this example, this is Active Server Pages.
3. Click to select the Allow check box.

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How to Registrar IIS on Windows server or Windows 7 or Windows XP

Introduction

    How to Registrar IIS on Windows server or Windows 7 or Windows XP

Description

The ASP.NET ISAPI version mapped to an ASP.NET application determines which version of the common language runtime (CLR) is used for the application. The ASP.NET IIS Registration Tool (Aspnet_regiis.exe) allows an administrator or installation program to easily update the script maps for an ASP.NET application to point to the ASP.NET ISAPI version that is associated with the tool. The tool can also be used to display the status of all installed versions of ASP. NET, register the ASP.NET version that is coupled with the tool, create client-script directories, and perform other configuration operations.

You canRegistrar IIS using this command is below screen shot

aspnet_regiis -i

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