IIS--局域网打开IIS网站出现Network Error (tcp error)

1.问题描述

打开iis部署的局域网内的网站出现如下错误：

Network Error (tcp error)
A communication error occurred: "Operation timed out"The Web Server may be down, too busy, or experiencing other problems preventing it from responding to requests. You may wish to trvy again at alater time.
A
年
C
For assistance, contact your network support team.

2.解决办法