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Posts Tagged ‘Sql Server Cluster Set up Error : Network Binding Error. The domain network is not the first bound network. This will cause domain operations to run slowly and can cause timeouts that result in failur’

Interesting one today:

Earlier this month, during Sql Server Cluster set up on a new set of VMs, ran into this interesting warning message.

Network binding Order generated a warning.

The domain network is not the first bound network. This will cause domain operations to run slowly and can cause timeouts that result in failures. Use the Windows network advanced configurations to change the binding order.
Cluster Setup Network Binding Order

Cluster Setup Network Binding Order

Upon further investigation, it became clear that the NIC that connects to the Domain network is not given highest priority (as needed) for Sql Cluster.

Resolution

In Clustered environments, it is recommended to have the network interfaces properly ordered for maximum efficiency.

Go to “Network connections” and open Advanced Settings. See the image below:

Network Connection - Advanced Settings

Network Connection – Advanced Settings

In the resultant window, under Adapters and Bindings tab, make sure the network interfaces are ordered according to the recommendation. Domain network needs to be on the top, then Heartbeat Network and Remote Access Connections. See the image below, for the recommended order.

Network Binding Proper Order

Network Binding Proper Order

After saving the new order, go back to “Install Failover Cluster Rules” and re-run the checks. This blog has more info, if interested about the rest of cluster set up.

Hope this helps,
_Sqltimes

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