Server Application Unavailable appears when a WEB site is published

Source: Internet
Author: User

I'm referring to this http://www.cublog.cn/u/8180/showart_171293.html.

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.

The cause of the above error is :.. net Framework 2.0 program and. net Framework1.1 (or 1.0) programs are put into the same application pool (ultapppool pool by default), that is, managed by the same worker process: w3wp.exe, however, a single working process cannot manage different programs (or different versions of programs) at the same time. If you first access. net framework 1.1 page, the worker first loads and manages the assembly of Version 1.1. net framework 2.0 web Application page, the Server Application Unavailable error is returned. In contrast, if w3wp.exe in the development application pool has accessed the 2.0 web application before it is started (the application assembly has been loaded at this time. net Framework 1.1 Web assembly). When you access the Web application page of 1.0 or, a Chinese prompt such as "server application unavailable" will also appear. (You can use w3wp.exe to test .)

Solution: Create an application pool in IIS and select your application pool. net framework2.0 virtual directory, click "properties"-> select the application pool you just created in "application pool", and click "OK ".

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