Server-side activities have been updated. You need to restart SharePoint Designer to use the updated version of activities

一，环境：

SharePoint Online
Win10 + SharePoint Designer 2013

错误描述：

使用SPD3013打开SPO站点，然后编辑已有工作流(2013)，报错：

二，解决办法：

重装操作系统(其实是恢复快照啦)。

重新安装SPD2013 64位,然后打sp1补丁，然后安装KB3114337，重启操作系统。再次打开站点，执行编辑工作流操作，正常了。

三，资源下载：

SPD 2013: https://www.microsoft.com/en-ie/download/details.aspx?id=35491

SPD 2013 SP1: https://www.microsoft.com/en-us/download/details.aspx?id=42009

KB3114337: https://support.microsoft.com/en-us/help/3114337/january-12-2016-update-for-sharepoint-designer-2013-kb3114337

四，参考：

http://www.jrjlee.com/2014/10/server-side-activities-have-been-updated.html

https://www.c-sharpcorner.com/UploadFile/sagarp/how-to-clear-your-sharepoint-designer-20102013-cache/

原文地址：https://www.cnblogs.com/sygwin/p/8806689.html