Asp.net 3.5 Deployment issue

For deploying my website in server by using IIS 5.1,,i created virtual directory,,i browsed in to my application and selected asp.net 2.0 tab(application is framework3.5)..I reset framwork configuratio 2,0 开发者_运维技巧Runtime security Policy Enterprise,Machine,User tab,,What ever things i can do i did

Still also application is working properly,,but i am not able to deploy it in IIS

i am getting this error

If i browse Login.aspx i am getting

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Server Application Unavailable
The web application you are attempting to access on this web server is currently unavailable.  Please hit the "Refresh" button in your web browser to retry your request.
Administrator Note: An error message detailing the cause of this specific request failure can be found in the application event log of the web server. Please review this log entry to discover what caused this error to occur.

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Is it with IIS 5.1??

Here my machine is acting as server ,It has xp professional 2002 service pack 2 and IIS 5.1

Any body knows how to create application pool in IIS 5.1

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I don't think you can ... Creating Application Pools in IIS

IIS 5.1 and earlier: The AppCreate3 method, the IIS WMI provider, and Application pools are not available, and therefore this topic does not apply.