Description
When you deploy Exchange DAG add host memeber to DAG have error below
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 'EX01'’.Cause
Because Ipv6 enable on server member
Solution
If you encounter this problem, disable IPv6 by creating a new 32-bit DWORD registry value called DisabledComponents under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters and give it the value of ffffffff. Once complete, restart the server.
Disable ipv6 on nic card network
Good luck
Phương Nguyễn
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