未能升级 SharePoint 产品。

This is a critical task. You have to fix the failures before you can continue. Follow this link for more information about how to troubleshoot upgrade failures: http://go.microsoft.com/fwlink/?LinkId=259653

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已引发类型为 Microsoft.SharePoint.PostSetupConfiguration.PostSetupConfigurationTaskException 的异常。其他异常信息: 

Upgrade [SPContentDatabase Name=WSS_Content] failed.(EventID:an59t)

Exception: 升级后的数据库架构与目标架构不匹配(EventID:an59t)

(EventID:an59t)

Upgrade Timer job is exiting due to exception: Microsoft.SharePoint.Upgrade.SPUpgradeException: 升级后的数据库架构与目标架构不匹配

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若要诊断此问题，请检查位于以下位置的应用程序事件日志和配置日志文件:C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\LOGS\PSCDiagnostics_3_9_2017_0_29_55_492_1585651048.log

解决办法：

    对 Content DB执行powershell即可：

get-SPContentDatabase -Identity WSS_Content | upgrade-spcontentdatabasedb
其中“WSS_Content”是你站点的内容数据库

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sharepoint server 2016 解决升级补丁kb3141515后提示 错误：升级后的数据库架构与目标架构不匹配