Server Application Unavailable

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.

If your domain has hosted at server 2003 with plesk control panel
Cause : 1. If  you are using ASP.NET application and not assigning Dedicated Application Pool or any how it has failed to assign.
2. You are using more than one .NET application with same domain or subdomain in same application pool.

Solution :
Please follow the below steps to resolve this problem (With plesk 9.5)
Step1. Login to your Hosting control panel
Step2. Select the particular domain if you have hosted more then one domain.
Step3. Please click on the Web Hosting Settings option.
Step4. Please scroll down and rech the last option IIS Application Pool ==>Use dedicated pool
If in the check box it has already click there then uncheck and save it
again go at the same option and check it and save.

After that please check your domain in the browser it will definitely work
If it has not working then please contact to your hosting provider.

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