AWS SDK Version 3 for .NET
API Reference

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Removes the specified subnets from the set of configured subnets for the load balancer.

After a subnet is removed, all EC2 instances registered with the load balancer in the removed subnet go into the OutOfService state. Then, the load balancer balances the traffic among the remaining routable subnets.


For .NET Core and PCL this operation is only available in asynchronous form. Please refer to DetachLoadBalancerFromSubnetsAsync.

Namespace: Amazon.ElasticLoadBalancing
Assembly: AWSSDK.ElasticLoadBalancing.dll
Version: 3.x.y.z


public virtual DetachLoadBalancerFromSubnetsResponse DetachLoadBalancerFromSubnets(
         DetachLoadBalancerFromSubnetsRequest request
Type: Amazon.ElasticLoadBalancing.Model.DetachLoadBalancerFromSubnetsRequest

Container for the necessary parameters to execute the DetachLoadBalancerFromSubnets service method.

Return Value
The response from the DetachLoadBalancerFromSubnets service method, as returned by ElasticLoadBalancing.


AccessPointNotFoundException The specified load balancer does not exist.
InvalidConfigurationRequestException The requested configuration change is not valid.


This example detaches the specified load balancer from the specified subnet.

To detach a load balancer from a subnet

var response = client.DetachLoadBalancerFromSubnets(new DetachLoadBalancerFromSubnetsRequest 
    LoadBalancerName = "my-load-balancer",
    Subnets = new List {

List subnets = response.Subnets;


Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms

See Also