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Modifies an existing DB subnet group. DB subnet groups must contain at least one subnet in at least two AZs in the Amazon Web Services Region.
For .NET Core this operation is only available in asynchronous form. Please refer to ModifyDBSubnetGroupAsync.
Namespace: Amazon.RDS
Assembly: AWSSDK.RDS.dll
Version: 3.x.y.z
public virtual ModifyDBSubnetGroupResponse ModifyDBSubnetGroup( ModifyDBSubnetGroupRequest request )
Container for the necessary parameters to execute the ModifyDBSubnetGroup service method.
| Exception | Condition |
|---|---|
| DBSubnetGroupDoesNotCoverEnoughAZsException | Subnets in the DB subnet group should cover at least two Availability Zones unless there is only one Availability Zone. |
| DBSubnetGroupNotFoundException | DBSubnetGroupName doesn't refer to an existing DB subnet group. |
| DBSubnetQuotaExceededException | The request would result in the user exceeding the allowed number of subnets in a DB subnet groups. |
| InvalidSubnetException | The requested subnet is invalid, or multiple subnets were requested that are not all in a common VPC. |
| SubnetAlreadyInUseException | The DB subnet is already in use in the Availability Zone. |
.NET Framework:
Supported in: 4.5, 4.0, 3.5