What should I do if Service Unavailable appears when I open a website in win7?

What should I do if Service Unavailable appears when I open a website in win7?

When you open a website in Windows, you will receive a prompt "Service Unavailable", which causes the webpage to fail to be browsed normally. What is the problem? A message indicating Service Unavailable appears on a website, and a message indicating Service Unavailable appears when you open all websites. There are many causes of Service Unavailable on the website. The following describes the causes and solutions for Service Unavailable on the website.

Problem Analysis:

1. If the "Service Unavailable" prompt appears, refresh the page and access it.

This is because the website exceeds the iis limit. Because 2003 of the operating systems prompts too many IIS requests, the system prompts "too many connections" instead of "Service Unavailable ", this is because the website exceeds the system resource limit, mainly because the program occupies too many resources.
　　
2. There is no restriction on IIS connection, or Service Unavailable is still encountered.
　
It is common to websites that use ACCESS databases. Generally, users who use windows 2003 IIS 6 may have this problem in a normal system. After the repair by a file doctor, the system will return to normal.

3. When you browse a Windows SharePoint Services Web site, the system prompts: The application pool used for the virtual server is not correctly configured in Service Unavailable Microsoft Internet Information Service (IIS) 6.0, this problem may occur.
　　
Solution:

1. Verify that the application pool is configured for the virtual server. The default application pool is MSSharePointPortalAppPool.
Follow these steps to determine the application pool that the virtual server is using.
　　　
A) Click Start, point to administrative tools, and click Internet Information Service (IIS) manager ".
B). Expand "ServerName", expand "Web site", right-click the virtual server, and then click "properties ".
C) Click the "home directory" tab. The application pool configured for the virtual server is listed in the application pool box.
D). Click OK ".
　
2. Verify that the password used by the application pool account is correct. IIS does not automatically poll the password changes in the Active Directory Service. If the application pool account is a domain account whose password has expired, after you specify a new password for the account, you may receive the error message described in the "symptoms" section.
　　
3. Verify that the application pool account is a member of the IIS_WPG group and STS_WPG group on the server.
　　
4. Restart IIS to recycle the application pool.

The above are the causes and solutions for Service Unavailable on the Windows 7 System website. We hope to help you!