Troubleshoot Exchange DAG 1069/1564 cluster issues

The system will be reported the following error, but also can not automatically switch nodes:

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First of all, this problem must be disk witess, so we should refer to the following article:

Method Analysis Steps:

The first step is to understand how the operating principle is created:

An explanation of Exchange 2010 Database Availability Group (DAG) configuration
Http://www.exchangecn.com/exchange2010/20101208_269.html

In the New Database Availability Group Wizard, add the name of the database availability Group (optional), tick the "witness" option, because the witness cannot be a member of the database Availability group, so here we use DC as the witness server, (for experimental reasons, Microsoft does not recommend this), in the " Under the witness server, fill in the dc.exchangecn.net. Check the "Witness directory" and fill in the C:\dag below, the address of the witness directory can be arbitrarily defined, as long as the relevant server to create a directory permissions.
Note: If the specified witness server is not an Exchange 2010 server, you must add the Universal Security group for the Exchange trusted subsystem to the local Administrators group in the witness server before you create the DAG. If the witness is a domain, add it to the domain-controlled Administrators group, and then add the Exchange Trusted subsystem to the Administrator group that is local to the witness server. Exchange Trusted subsystem can be viewed in Microsoft Exchange Security groups in Active Directory Users and Computers without the discovery of Microsoft Exchange Security Groups, you can select View-Advanced features in the Active Directory Users and Computers window to display the hidden Microsoft Exchange Security Groups option.

The second step uses the following method to analyze the current Wireness method:

Verifying the file share witness server/directory in use for Exchange 2010

http://blogs.technet.com/b/timmcmic/archive/2012/03/12/ Verifying-the-file-share-witness-server-directory-in-use-for-exchange-2010.aspx

C:\>get-databaseavailabilitygroup-identity Dag-status | Fl

[PS] C:\>cluster dag.domain.com Res
[PS] C:\>cluster dag.domain.com res "File Share Witness"/priv

[PS] C:\>import-module failoverclusters

[PS] C:\>get-clusterquorum-cluster dag.home.e-mcmichael.com | Fl

[PS] C:\>get-clusterresource "File Share Witness"-cluster dag.home.e-mcmichael.com | Get-clusterparameter

The third step is to reset the address of the Wirtness server using the following method:

How to Configure a File Share Witness for an Exchange Database availability Group

http://exchangeserverpro.com/configure-file-share-witness-exchange-2010-database-availability-group/

[PS] C:\>set-databaseavailabilitygroup Dag-headoffice-witnessserver ho-mgt-witnessdirectory C:\DAGFSW

However, to join this exchange trusted Subsysem to the local Administrators group:

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If there's a problem, continue troubleshooting.

P.s. Understanding of the quorum configuration:

Understanding Quorum Configurations in a Failover Cluster

Https://technet.microsoft.com/en-us/library/cc731739.aspx

First case: If it is in the host mode (as long as two can communicate okay):

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Second case: If the check mode for host and hard disk (most node is alive, or half can communicate with quorum disk):

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Third case: If it is the host and shared folder mode (as above, but as long as there are a few can communicate with the shared folder):

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This article is from the "Sulan Network" blog, so be sure to keep this source http://zhangfang526.blog.51cto.com/8588740/1724902

Troubleshoot Exchange DAG 1069/1564 cluster issues