AWS SDK Version 3 for .NET
API Reference

AWS services or capabilities described in AWS Documentation may vary by region/location. Click Getting Started with Amazon AWS to see specific differences applicable to the China (Beijing) Region.

Deletes a security group.

If you attempt to delete a security group that is associated with an instance or network interface or is referenced by another security group, the operation fails with DependencyViolation.


For .NET Core this operation is only available in asynchronous form. Please refer to DeleteSecurityGroupAsync.

Namespace: Amazon.EC2
Assembly: AWSSDK.EC2.dll
Version: 3.x.y.z


public virtual DeleteSecurityGroupResponse DeleteSecurityGroup(
         DeleteSecurityGroupRequest request


Type: Amazon.EC2.Model.DeleteSecurityGroupRequest

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

Return Value

The response from the DeleteSecurityGroup service method, as returned by EC2.


This example deletes the specified security group.

To delete a security group

var client = new AmazonEC2Client();
var response = client.DeleteSecurityGroup(new DeleteSecurityGroupRequest 
    GroupId = "sg-903004f8"


Version Information

.NET Framework:
Supported in: 4.5 and newer, 3.5

See Also