在安装SP1 后，有时Center admin 会显示

那么必须在以administrator运行sharepoint 2013 powershell.

PSConfig.exe -cmd upgrade -inplace b2b -force -cmd applicationcontent -install -cmd installfeatures

运行结束后，会显示

Successfully completed the SharePoint Products configuration.    
Total number of configuration settings run: 6     
Total number of successful configuration settings: 6     
Total number of unsuccessful configuration settings: 0     
Successfully stopped the configuration of SharePoint Products.     
Configuration of the SharePoint Products has succeeded.

有时必须运行数次，直到Center admin显示正常。