DAG一直不能实现故障转移，但是可以手动切换
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你好，
你在重新搭建DAG时，是否有遇到有关见证目录的相关报错呢？如果有，请一并告知。
同时，建议你运行下面的指令查看当前DAG见证目录配置的相关信息：
Get-DatabaseAvailabilityGroup DAGName -status|fl name,*witness*
如果没有正确配置，建议你参考下面的博客，重新配置DAG试试看，尤其注意见证服务器相关的配置：
Installing an Exchange Server 2013 Database Availability Group
Using a Non-Exchange Server as an Exchange Database Availability Group File Share Witness
Best Regards,
Niko Cheng
Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.
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你好，
那个不需要填什么，只是筛选出所有包含witness字样的参数。
通过你的截图，见证目录是在0513这台机器的C:\DAGFileShareWitnesses路径下，点进去看看是否有任何内容。一般来说，默认会有如下图的两个文本文件存在：
如果没有，可以尝试更改见证服务器目录看看：
Change the File Share Witness on Exchange Server
Best Regards,
Niko Cheng
Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.
Click here to learn more. Visit the dedicated forum to share, explore and talk to experts about Microsoft Teams.- 已编辑 Niko.ChengModerator 2018年8月16日 9:23
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你好，
修改见证服务器目录是否有帮助呢？
Best Regards,
Niko Cheng
Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.
Click here to learn more. Visit the dedicated forum to share, explore and talk to experts about Microsoft Teams. -
你好，
根据你上面的截图，我发现你的DAG网络设置配置的是手动，运行下面的指令修改为自动再检查看看：
Set-DatabaseAvailabilityGroup DAG2 –ManualDagNetworkConfiguration:$False
Best Regards,
Niko Cheng
Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.
Click here to learn more. Visit the dedicated forum to share, explore and talk to experts about Microsoft Teams.- 已建议为答案 Niko.ChengModerator 2018年8月31日 9:47
