微软在2017年12月17日分别发布了Exchange 2010 sp3 Rollup 19、Exchange 2013 CU19和Exchange 2016 CU8。具体官网的参考地址可以访问如下链接:

https://blogs.technet.microsoft.com/exchange/2017/12/19/released-december-2017-quarterly-exchange-updates/

主要修复的问题:

Exchange 2010

Exchange 2010主要修复的是Exchange 2010和Exchange 2016共存期间EWS代理问题。(可以参考:https://support.microsoft.com/zh-cn/help/4054456/ews-connections-proxied-from-exchange-server-2016-can-access-all-2010)

Exchange 2013和2016主要修复的问题列表如下:

4046316 MAPI over HTTP can't remove client sessions timely if using OAuth and the resource has a master account in Exchange Server 2013 4046205 W3wp high CPU usage in Exchange Server 2013 4046182 Event ID 4999 or 1007 if diagnostics service crashes repeatedly in Exchange Server 2013 4056329 Can't access EWS from Outlook/OWA add-ins via makeEwsRequestAsync in Exchange Server 2016 and Exchange Server 2013 4045655 Description of the security update for Microsoft Exchange: December 12, 2017

另外,在安装Exchange 2013 CU19和Exchange 2016 CU8时,目前阶段可以支持.NET 4.6.2,可以选择安装.net 4.7.1(不是必须条件),在2018年开始的Exchange 2013/2016更新补丁将要安装.net 4.7.1。