配置错误没有重复的"system.web.extensions/scripting/webServices/jsonSerialization"部分，定义为
您检查配置文件了吗?它说有重复的条目.删除一个条目.

Config Error There is a duplicate ''system.web.extensions/scripting/webServices/jsonSerialization'' section defined
Did you check your config file? It says that there are duplicate entries. Remove one entry.

我通过替换现有服务器来重新安装Sharepoint服务器来解决此错误.

Hi,

I resolved this error by reinstalling sharepoint server by replacing the existing server.