Hi, I am using a web application to read the excel file and uploading it in the database.

I have deployed the application in the server.I am using windows service 2003 as the server.I am able to read the excel file only if i set the set the security settings to "network service" for the microsoft excel application in the control panel --> administrative tools --> componetn service -- > computer -- > My computer -- >DCOM config -- > microsoft excel application .

Why is it so . There are also other applications running in the server.

1) Doing like this will create any issue ?

2) Why do we need to do it ?

3) Is there any alternative way to do it ?

4) What are we doing actually by providing network service access ?

Please help