404 Error for SharePoint Web Application

The 404/ Page not found error for SharePoint (2010) web application occurs if the web server could not find the page you are requested for. Usually the reason would be that the URL might have gone wrong.

If the URL is correct and the response is the error, then the reason would be the Application Pool holding the application you are trying to access, should have stopped in IIS server.

• 1. Go to IIS.
• 2. Check that the corresponding application pool is started.
• 3. If the application pool is Stopped, "Start" it.

There is a chance that even after starting the application pool, the browser will gie the same error message saying that Page not found.

• Reason would be the change in the password for the managed account of the application pool.
• Solution is to setting the account of the application pool.
• Right click on the Application Pool in IIS and select Advanced Settings.
•  Select Set Identity 
• Give the User account name for the application Pool and give the user's password.
• Reset IIS and it will solve the issue.  

 Get Hired