Working creating an Exchange DAG on a pair of clustered Exchange 2013 (both running at Build Number 15.0.1210.3).
Both Exchange 2013 servers are part of Windows 2012 R2 native active directory domain and forest.
Cluster created prior to DAG.
When trying to create DAG that has both Exchange 2013 servers as members I get the following errors:
- The following servers in the Windows Failover Cluster are not in Active Directory: exchange2013b. This is usually the result of an incomplete membership change (add or remove) of the database availabilty group.
- Mailbox server EXCHANGE2013B was manually added to cluster 'exchange2013'. It must be removed from the cluster before it can be added to database availability group 'Exchange2013DAG'.
How would I go about resolving this error? I did not find any way of removing the the Mailbox server from the cluster via the MMC. Is it possible to delete the cluster entirely? If so is this the best way? Will creating the DAG reestablish the cluster?
In hindsight probably not the best idea to have created the cluster first before the DAG.
Thanks in advance for any help given.