AWS SDK Version 3 for .NET
API Reference

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Modifies settings for a DB instance. You can change one or more database configuration parameters by specifying these parameters and the new values in the request. To learn what modifications you can make to your DB instance, call DescribeValidDBInstanceModifications before you call ModifyDBInstance.


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

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


public abstract ModifyDBInstanceResponse ModifyDBInstance(
         ModifyDBInstanceRequest request
Type: Amazon.RDS.Model.ModifyDBInstanceRequest

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

Return Value
The response from the ModifyDBInstance service method, as returned by RDS.


AuthorizationNotFoundException The specified CIDRIP or Amazon EC2 security group isn't authorized for the specified DB security group. RDS also may not be authorized by using IAM to perform necessary actions on your behalf.
CertificateNotFoundException CertificateIdentifier doesn't refer to an existing certificate.
DBInstanceAlreadyExistsException The user already has a DB instance with the given identifier.
DBInstanceNotFoundException DBInstanceIdentifier doesn't refer to an existing DB instance.
DBParameterGroupNotFoundException DBParameterGroupName doesn't refer to an existing DB parameter group.
DBSecurityGroupNotFoundException DBSecurityGroupName doesn't refer to an existing DB security group.
DBUpgradeDependencyFailureException The DB upgrade failed because a resource the DB depends on can't be modified.
DomainNotFoundException Domain doesn't refer to an existing Active Directory domain.
InsufficientDBInstanceCapacityException The specified DB instance class isn't available in the specified Availability Zone.
InvalidDBInstanceStateException The specified DB instance isn't in the available state.
InvalidDBSecurityGroupStateException The state of the DB security group doesn't allow deletion.
InvalidVPCNetworkStateException The DB subnet group doesn't cover all Availability Zones after it's created because of users' change.
OptionGroupNotFoundException The specified option group could not be found.
ProvisionedIopsNotAvailableInAZException Provisioned IOPS not available in the specified Availability Zone.
StorageQuotaExceededException The request would result in the user exceeding the allowed amount of storage available across all DB instances.
StorageTypeNotSupportedException Storage of the StorageType specified can't be associated with the DB instance.

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