Monday, August 19, 2013

Exchange 2013 CU2 Error: Windows Failover Clustering isn't installed


I installed two Mailbox Servers and created a DAG. No problems adding first server to DAG.
 
However, got an error while adding second server to DAG:
 
A server-side database availability group administrative operation failed. Error The operation failed. CreateCluster errors may result from incorrectly configured static addresses. Error: Windows Failover Clustering isn't installed on 'ex2013-server'

I got this error from both EAC and EMS. Actually, Windows Failover Clustering should be automatically installed when adding a DAG member.

Solution:
  1. Windows PowerShell: install-windowsfeature failover-clustering
  2. Add second DAG member again

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