| Enum | Description | 
|---|---|
| LifeCycleState | |
| PerformanceMode | |
| ReplicationOverwriteProtection | |
| ReplicationStatus | |
| Resource | An EFS resource, for example a file system or a mount target. | 
| ResourceIdType | A preference indicating a choice to use 63bit/32bit IDs for all applicable resources. | 
| Status | |
| ThroughputMode | |
| TransitionToArchiveRules | |
| TransitionToIARules | |
| TransitionToPrimaryStorageClassRules | 
| Exception | Description | 
|---|---|
| AccessPointAlreadyExistsException | 
 Returned if the access point that you are trying to create already exists, with the creation token you provided in
 the request. | 
| AccessPointLimitExceededException | 
 Returned if the Amazon Web Services account has already created the maximum number of access points allowed per file
 system. | 
| AccessPointNotFoundException | 
 Returned if the specified  AccessPointIdvalue doesn't exist in the requester's Amazon Web Services
 account. | 
| AmazonElasticFileSystemException | Base exception for all service exceptions thrown by Amazon Elastic File System | 
| AvailabilityZonesMismatchException | 
 Returned if the Availability Zone that was specified for a mount target is different from the Availability Zone that
 was specified for One Zone storage. | 
| BadRequestException | 
 Returned if the request is malformed or contains an error such as an invalid parameter value or a missing required
 parameter. | 
| ConflictException | 
 Returned if the source file system in a replication is encrypted but the destination file system is unencrypted. | 
| DependencyTimeoutException | 
 The service timed out trying to fulfill the request, and the client should try the call again. | 
| FileSystemAlreadyExistsException | 
 Returned if the file system you are trying to create already exists, with the creation token you provided. | 
| FileSystemInUseException | 
 Returned if a file system has mount targets. | 
| FileSystemLimitExceededException | 
 Returned if the Amazon Web Services account has already created the maximum number of file systems allowed per
 account. | 
| FileSystemNotFoundException | 
 Returned if the specified  FileSystemIdvalue doesn't exist in the requester's Amazon Web Services
 account. | 
| IncorrectFileSystemLifeCycleStateException | 
 Returned if the file system's lifecycle state is not "available". | 
| IncorrectMountTargetStateException | 
 Returned if the mount target is not in the correct state for the operation. | 
| InsufficientThroughputCapacityException | 
 Returned if there's not enough capacity to provision additional throughput. | 
| InternalServerErrorException | 
 Returned if an error occurred on the server side. | 
| InvalidPolicyException | 
 Returned if the  FileSystemPolicyis malformed or contains an error such as a parameter value that is not
 valid or a missing required parameter. | 
| IpAddressInUseException | 
 Returned if the request specified an  IpAddressthat is already in use in the subnet. | 
| MountTargetConflictException | 
 Returned if the mount target would violate one of the specified restrictions based on the file system's existing
 mount targets. | 
| MountTargetNotFoundException | 
 Returned if there is no mount target with the specified ID found in the caller's Amazon Web Services account. | 
| NetworkInterfaceLimitExceededException | 
 The calling account has reached the limit for elastic network interfaces for the specific Amazon Web Services Region. | 
| NoFreeAddressesInSubnetException | 
 Returned if  IpAddresswas not specified in the request and there are no free IP addresses in the subnet. | 
| PolicyNotFoundException | 
 Returned if the default file system policy is in effect for the EFS file system specified. | 
| ReplicationAlreadyExistsException | 
 Returned if the file system is already included in a replication configuration.> | 
| ReplicationNotFoundException | 
 Returned if the specified file system does not have a replication configuration. | 
| SecurityGroupLimitExceededException | 
 Returned if the size of  SecurityGroupsspecified in the request is greater than five. | 
| SecurityGroupNotFoundException | 
 Returned if one of the specified security groups doesn't exist in the subnet's virtual private cloud (VPC). | 
| SubnetNotFoundException | 
 Returned if there is no subnet with ID  SubnetIdprovided in the request. | 
| ThrottlingException | 
 Returned when the  CreateAccessPointAPI action is called too quickly and the number of Access Points on
 the file system is nearing the limit of
 120. | 
| ThroughputLimitExceededException | 
 Returned if the throughput mode or amount of provisioned throughput can't be changed because the throughput limit of
 1024 MiB/s has been reached. | 
| TooManyRequestsException | 
 Returned if you don’t wait at least 24 hours before either changing the throughput mode, or decreasing the
 Provisioned Throughput value. | 
| UnsupportedAvailabilityZoneException | 
 Returned if the requested Amazon EFS functionality is not available in the specified Availability Zone. | 
| ValidationException | 
 Returned if the Backup service is not available in the Amazon Web Services Region in which the request was made. |