| 400 | Zone.Invalid.Name | Zone name is invalid. | - | diagnosis |
| 400 | Zone.Invalid.Id | Zone id is invalid. | Zone id is invalid. | diagnosis |
| 400 | Zone.Invalid.UserId | Zone userid is invalid. | - | diagnosis |
| 400 | Zone.NotExists | Zone is not exists. | - | diagnosis |
| 400 | Zone.VpcExists | Zone have vpc bound. | - | diagnosis |
| 400 | Zone.VpcNotExists | Zone have no vpc bound. | - | diagnosis |
| 400 | Record.Invalid.Id | Record id is invalid. | - | diagnosis |
| 400 | Record.Invalid.ZoneId | Zone id is invalid. | - | diagnosis |
| 400 | Record.NotExists | Record is not exists. | - | diagnosis |
| 400 | Record.Invalid.Rr | Record rr is invalid. | - | diagnosis |
| 400 | Record.Invalid.Type | Record type is invalid. | - | diagnosis |
| 400 | Record.Invalid.Ttl | Record is ttl invalid. | - | diagnosis |
| 400 | Record.Invalid.Priority | Record priority is invalid. | - | diagnosis |
| 400 | Record.Invalid.Value | Record value is invalid. | - | diagnosis |
| 400 | Record.Invalid.ValueLength | Record value is too long. | - | diagnosis |
| 400 | Record.Invalid.Level | Record rr too many label. | - | diagnosis |
| 400 | Record.Invalid.Oper | Pause record with Disalbe, resume with Enable. | - | diagnosis |
| 400 | Record.Invalid.OnlyPtrAllowed | Reverse Zone only PTR record allowed. | - | diagnosis |
| 400 | Record.Invalid.PtrNotAllowed | Only reverse zone allowed to add PTR record. | - | diagnosis |
| 400 | Record.Invalid.Conflict | Record is conflict with exists. | - | diagnosis |
| 400 | Record.Invalid.Maximum | Record count exceed the maximum. | - | diagnosis |
| 400 | ZoneVpc.Invalid.Id | Zone-Vpc id is invalid. | - | diagnosis |
| 400 | ZoneVpc.Invalid.Bid | Zone-Vpc id bid invalid. | - | diagnosis |
| 400 | ZoneVpc.Invalid.UserId | Zone-Vpc UserId is invalid. | - | diagnosis |
| 400 | ZoneVpc.Invalid.RegionId | Zone-Vpc regionId is invalid. | - | diagnosis |
| 400 | ZoneVpc.Invalid.VpcId | Zone-Vpc vpcId is invalid. | - | diagnosis |
| 400 | ZoneVpc.NotExists.VpcId | Zone-Vpc vpcId is not exists. | - | diagnosis |
| 400 | InvalidParameter | The param is invalid. | - | diagnosis |
| 400 | IllegalUser | The user is illegal. | - | diagnosis |
| 400 | DnsCheck.Failed | Dns config check failed. | - | diagnosis |
| 400 | DnsCheck.NotFoundRecord | Cant find the resolution records. | - | diagnosis |
| 400 | DnsCheck.NotFoundNs | Cant find the name server of this domain. | - | diagnosis |
| 400 | Forbidden.RAM | User not authorized to operate on the specified resource, or this API doesn't support RAM. | - | diagnosis |
| 400 | Forbidden.AuthType | This authentication method not supported. | - | diagnosis |
| 400 | Statistics.Invalid.Time | Time is invalid. | - | diagnosis |
| 400 | ProxyPattern.Invalid | The specific proxy pattern is invalid. | - | diagnosis |
| 400 | Record.ProxyPattern.Maximum | The number of records has reached the upper limit. | - | diagnosis |
| 400 | System.Busy | The system is busy, please try again later. | - | diagnosis |
| 400 | Zone.Total.Maximum | Total Zone count exceed the maximum. | - | diagnosis |
| 400 | Service.Status.Illeagal | Private zone service status is not OPENED. | - | diagnosis |
| 400 | Zone.Vpc.Maximum | Zone bound vpc count exceed the maximum. | - | diagnosis |
| 400 | Zone.Remark | It can only contain numbers,Chinese,English and special characters. | - | diagnosis |
| 400 | Zone.Invalid.ResourceGroupId | Resource group id is invalid. | - | diagnosis |
| 400 | Zone.NotExist.ResourceGroupId | The resource group id does not exist. | - | diagnosis |
| 400 | SlaveDns.Exists | Secondary DNS is already enabled for the specified domain name. | - | diagnosis |
| 400 | SlaveDns.NotExists | Slave dns config not exists. | - | diagnosis |
| 400 | SlaveDns.OpenFailed | An error occurred while enabling Secondary DNS. | - | diagnosis |
| 400 | SlaveDns.UpdateFailed | An error occurred while modifying secondary DNS configurations. | - | diagnosis |
| 400 | SlaveDns.DeleteFailed | An error occurred while deleting the secondary DNS configuration. | - | diagnosis |
| 400 | SlaveDns.InvalidNoticeIp | Specify valid IPv4 addresses. The start IP number must be smaller than or equal to the end IP number. | - | diagnosis |
| 400 | SlaveDns.InvalidMasterIp | Set the primary DNS IP address to a valid IPv4 IP address. | - | diagnosis |
| 400 | SlaveDns.InvalidTsigName | The TSIG key name format is invalid. | - | diagnosis |
| 400 | SlaveDns.InvalidTsigType | Set the TSIG key type to hmac-md5, hmac-sha1, or hmac-sha256. | - | diagnosis |
| 400 | SlaveDns.InvalidTsigValue | The TSIG key value format is invalid. | - | diagnosis |
| 400 | SlaveDns.TsigCountInvalid | Specify 1 to 10 TSIG records. | - | diagnosis |
| 400 | Record.Forbidden.SlaveDnsOpen | Secondary DNS is enabled for the specified domain name. This operation is not allowed. | - | diagnosis |
| 400 | SlaveDns.TsigNameRepeated | Secondary DNS zoneName/Tsig name repeated. | - | diagnosis |
| 400 | Ecs.SyncTask.NotExists | The sync ecs hostname task is not exists. | - | diagnosis |
| 400 | Zone.Type.NotAllowed | This zone is a reverse zone, the action is not allowed. | - | diagnosis |
| 400 | Record.Invalid.Remark | 50 characters long. It can only contain numbers,Chinese,English and special characters: _ - , . 。, | - | diagnosis |
| 400 | ZoneVpc.Auth.NotExists | The VPC does not exist in the current account. | - | diagnosis |
| 400 | ZoneVpc.Bind.Exists | Zone files are already bound to VPC. | - | diagnosis |
| 400 | Authcode.Invalid | Verification code error. | - | diagnosis |
| 400 | Zone.Operation.ExceedsFrequency | You cannot add or delete the zone more than 512 times in one day. Try again tomorrow. | - | diagnosis |
| 400 | Ecs.SyncTask.Exists | The sync ecs hostname task still exists | - | diagnosis |
| 400 | Ecs.SyncTask.ExceedsLimit | The specific task count has exceeds the limits. | - | diagnosis |
| 400 | System.LastOperationNotFinished | You cannot finish this operation because the last operation has not been finished. | - | diagnosis |
| 400 | ResolverEndpoint.NotExists | The specific endpoint does not exist. | - | diagnosis |
| 400 | ResolverEndpoint.Exists | The specific endpoint has already exist. | - | diagnosis |
| 400 | ResolverEndpoint.OperationForbidden.UnsupportedStatus | The specific status of endpoint is unsupported for operation. | - | diagnosis |
| 400 | ResolverEndpoint.BindRules | The specific endpoint has applied rules. | - | diagnosis |
| 400 | ResolverEndpoint.Num.ExceedsLimit | You cannot create more endpoints. | - | diagnosis |
| 400 | ResolverEndpoint.Name.Duplicate | The specific name has duplicated with exist endpoint. | - | diagnosis |
| 400 | ResolverEndpoint.Name.ExceedsLength | The specific endpoint name exceeds length limit. | - | diagnosis |
| 400 | ResolverEndpoint.IpConfig.ExceedsLimit | You cannot create more ip configs. | - | diagnosis |
| 400 | ResolverEndpoint.IpConfig.DuplicateIp | The specific ip has duplicated with exist one. | - | diagnosis |
| 400 | ResolverEndpoint.IpConfig.InvalidIp | The specific ip of config is invalid. | - | diagnosis |
| 400 | ResolverEndpoint.Operation.ExceedsFrequency | Endpoint operation has exceeds frequency in certain time | - | diagnosis |
| 400 | ResolverRule.NotExists | The specific resolver rule does not exist. | - | diagnosis |
| 400 | ResolverRule.BindVpc | The specific resolver has bound vpc. | - | diagnosis |
| 400 | ResolverRule.Num.ExceedsLimit | You cannot create more rules. | - | diagnosis |
| 400 | ResolverRule.Name.Duplicate | The specific name has duplicated with exist rule. | - | diagnosis |
| 400 | ResolverRule.ForwardIps.ExceedsLimit | You cannot create more forward ips. | - | diagnosis |
| 400 | ResolverRule.BindVpc.ExceedsLimit | You cannot bind more vpcs for the specific rule. | - | diagnosis |
| 400 | ResolverRule.Name.ExceedsLength | The specific rule name exceeds length limit. | - | diagnosis |
| 400 | ResolverEndpoint.Region.Unsupported | The specific region is unsupported for resolver. | - | diagnosis |
| 400 | ResolverRule.Endpoint.InvalidStatus | The specific endpoint status is not invalid. | - | diagnosis |
| 400 | ResolverRuleVpc.Vpc.NotExists | The specific vpc does not exist. | - | diagnosis |
| 400 | ResolverRuleVpc.ZoneName.Duplicate | Vpc is bind to same zone name. | - | diagnosis |
| 400 | ResolverRule.ForwardIps.Duplicate | The specified destination IP address is the same as an existing destination IP address. | - | diagnosis |
| 400 | Forbidden.SLR.Create | You have not added permissions for the AliyunServiceRoleForPvtz role of the pvtz.aliyuncs.com service. | - | diagnosis |
| 400 | ResolverRule.ForwardIps.SystemForbidden | The specified destination IP address is forbidden for the system. | - | diagnosis |
| 400 | Record.Total.Maximum | Record exists count exceed the maximum. | - | diagnosis |
| 400 | Zone.Invalid.ZoneType | The zone type is invalid. | - | diagnosis |
| 400 | Zone.Invalid.ZoneTag | The cloud service type is invalid. | - | diagnosis |
| 400 | Zone.OperationForbidden.UnsupportZoneType | The zone type is not supported. | - | diagnosis |
| 400 | CloudProductAuth.NotExists | The authorization relationships of the cloud service do not exist. | - | diagnosis |
| 400 | CloudProductAuth.OperationForbidden.UnsupportedStatus | This operation is not supported by the cloud service in the current authorization status. | - | diagnosis |
| 400 | UserAuth.Exists | The permissions of this user have been granted. | - | diagnosis |
| 400 | UserAuth.Num.ExceedsLimit | The number of the users whose permissions are granted to another user exceeds the upper limit. | - | diagnosis |
| 400 | UserAuth.NotExists | The permissions of this user have not been granted. | - | diagnosis |
| 400 | UserAuth.Invalid.AuthorizedId | The ID of the user whose permissions are granted to another user is invalid. | - | diagnosis |
| 400 | UserAuth.Invalid.AuthType | The type of the user whose permissions are granted to another user is invalid. | - | diagnosis |
| 400 | UserAuth.QueryAuthorizedUserInfo.Failed | Failed to obtain the information about the user whose permissions are granted to another user. Please try again later. | - | diagnosis |
| 400 | UserAuth.DeleteForbidden.EcsSyncTaskExists | Failed to delete the user whose permissions are granted to another user because ECS hostname synchronization tasks exist. | - | diagnosis |
| 400 | UserAuth.DeleteForbidden.RuleVpcExists | Failed to delete the user whose permissions are granted to another user because forwarding rules have associated with the VPC. | - | diagnosis |
| 400 | UserAuth.DeleteForbidden.ZoneVpcExists | Failed to delete the user whose permissions are granted to another user because the zone has associated with VPCs. | - | diagnosis |
| 400 | ResourceTag.InvalidResourceId.NotFound | The resource does not exist. | - | diagnosis |
| 400 | ResourceTag.InvalidParameter.TagKey | The tag key is invalid. | - | diagnosis |
| 400 | ResourceTag.InvalidParameter.TagValue | The tag value is invalid. | - | diagnosis |
| 400 | ResourceTag.InvalidParameter.ResourceType | The resource type is invalid. | - | diagnosis |
| 400 | ResourceTag.TagOperation.ResourceCountExceeds | The number of resources you selected exceeds the upper limit. | - | diagnosis |
| 400 | ResourceTag.TagOperation.TagCountExceeds | The number of tags you selected exceeds the upper limit. | - | diagnosis |
| 400 | ResourceTag.Resource.TagCountExceeds | The number of tags you selected for a single resource exceeds the upper limit. | - | diagnosis |
| 400 | ResourceTag.User.TagCountExceeds | The total number of tags you selected exceeds the upper limit. | - | diagnosis |
| 400 | ResourceTag.TagKey.Duplicate | Duplicate tag key. | - | diagnosis |
| 400 | ResourceTag.TagOperator.NoPermission | The current user does not have the operation permissions. | - | diagnosis |
| 400 | UserAuth.Invalid.AuthChannel | The channel of the user whose permissions are granted to another user is invalid. | - | diagnosis |
| 400 | UserAuth.QueryResourceDirectory.Failed | Failed to obtain the information about resource directory of the user. | - | diagnosis |
| 400 | UserAuth.ResourceDirectory.NotExists | The resource directory does not exist. | - | diagnosis |
| 400 | Zone.HasExists | Zone has been exists | - | diagnosis |
| 400 | Zone.OperationForbidden.FusionControlled | You cannot operate the controlled zone | - | diagnosis |
| 400 | ZoneVpc.Zone.Repeated | Zone has been repeated | - | diagnosis |
| 400 | ZoneVpc.Invalid.VpcType | VpcType is invalid. | - | diagnosis |
| 400 | ResolverRuleVpc.Invalid.VpcType | VpcType is invalid. | - | diagnosis |
| 400 | Throttling | Request was denied due to request throttling. | - | diagnosis |
| 400 | Zone.Invalid.DnsGroup | The dns group is invalid. | - | diagnosis |
| 400 | Zone.DnsGroupChange.Forbidden4Line | You cannot change dns group, because custom line or system line. | - | diagnosis |
| 400 | Zone.DnsGroupChange.Forbidden4Algorithm | You cannot change dns group, because algorithm. | - | diagnosis |
| 400 | Zone.OperationForbidden.DnsGroupChanging | You cannot operate the zone which is changing dns group. | - | diagnosis |
| 400 | Record.Import.InvalidFileFormat | The import file format is invalid. | - | diagnosis |
| 400 | Record.Import.Empty | The import file is empty. | - | diagnosis |
| 400 | Record.Export.InvalidFileFormat | The export file format is invalid. | - | diagnosis |
| 400 | Record.Exceed.CountForOperateRecordSet | The number of records exceeds the maximum number of records allowed for the record set. | - | diagnosis |
| 400 | Record.Exceed.MaxQueryCount | The number of records exceeds the maximum number of query limit | - | diagnosis |
| 400 | Record.LbaStatus.Forbidden | The load balancing function is not operable for the record type or zone dns group | - | diagnosis |
| 400 | Record.DataChanged | The data has changed during the operation. | - | diagnosis |
| 400 | Record.EcsSyncRecord.Forbidden | The host name record for ECS synchronization is not operable. | - | diagnosis |
| 400 | ResolveAnalysis.Invalid.LogStoreArea | Log store area is invalid. | - | diagnosis |
| 400 | ResolveAnalysis.Invalid.RegionId | Resolve analysis regionId is invalid. | - | diagnosis |
| 400 | ResolveAnalysis.Invalid.RegionIdForVpc | Resolve analysis regionId for vpc is invalid. | - | diagnosis |
| 400 | ResolveAnalysis.Invalid.VpcOpenSource | Resolve analysis vpc open source is invalid. | - | diagnosis |
| 400 | ResolveAnalysis.Invalid.VpcId | Resolve analysis vpcId is invalid. | - | diagnosis |
| 400 | ResolveAnalysis.Invalid.Status | Resolve analysis status is invalid. | - | diagnosis |
| 400 | ResolveAnalysis.Invalid.VpcType | Resolve analysis vpc type is invalid. | - | diagnosis |
| 400 | ResolveAnalysis.Invalid.EdsServiceUidForbidden | Eds service uid is forbidden to operate the configuration. | - | diagnosis |
| 400 | ResolveAnalysis.Forbidden.CloseRegionVpc | Forbidden to close the vpc which was opened by region. | - | diagnosis |
| 400 | Record.Invalid.Line | Record Line is invalid. | - | diagnosis |
| 400 | Record.Invalid.Weight | Record weight is invalid. | - | diagnosis |
| 400 | Record.SplitLineError | An error occurred during spliting system line | - | diagnosis |
| 400 | Record.DuplicateLineRecordSet | The record set already exists. | - | diagnosis |
| 400 | Zone.Forbidden.SlaveDnsOpen | Secondary DNS is enabled for the specified domain name. This operation is not allowed. | - | diagnosis |
| 400 | CacheReserveDomain.NotExists | CacheReserveDomain is not exists | - | diagnosis |
| 400 | CacheReserveDomain.InvalidUserId | CacheReserveDomain invalid user id | - | diagnosis |
| 400 | CacheReserveDomain.InvalidDomainName | CacheReserve domain name is invalid | - | diagnosis |
| 400 | CacheReserveDomain.DuplicateName | CacheReserveDomain duplicate domain name | - | diagnosis |
| 400 | CacheReserveDomain.RecordTypeEmpty | CacheReserveDomain record type empty | - | diagnosis |
| 400 | CacheReserveDomain.InvalidRecordType | CacheReserveDomain invalid record type | - | diagnosis |
| 400 | CacheReserveDomain.InvalidEnable | CacheReserveDomain enable is invalid | - | diagnosis |
| 400 | CacheReserveDomain.InvalidVpcType | CacheReserveDomain vpc type is invalid | - | diagnosis |
| 400 | CacheReserveDomain.VpcNotExists | CacheReserveDomain vpc is not exists | - | diagnosis |
| 400 | CacheReserveDomain.vpcDomainRepeated | CacheReserveDomainVpc domain is repeated | - | diagnosis |
| 400 | CacheReserveDomain.cacheReserveDisable | Cache reserve disable | - | diagnosis |
| 400 | CacheReserveDomain.vpcEmpty | vpc is empty | - | diagnosis |
| 400 | CustomLine.NotExsit | customLine is not Exsit | - | diagnosis |
| 400 | CustomLine.InvalidId | customLine id is invalid | - | diagnosis |
| 400 | CustomLine.InvalidName | customLine name is invalid | - | diagnosis |
| 400 | CustomLine.DuplicatedName | customLine name is duplicated | - | diagnosis |
| 400 | CustomLine.InvalidIp | customLine ip is invalid | - | diagnosis |
| 400 | CustomLine.ExceedLimit | customLine count exceed limit | - | diagnosis |
| 400 | CustomLine.IpExceedLimit | customLine ip count exceed limit | - | diagnosis |
| 400 | CustomLine.InUsed | customLine is in used can not delete | - | diagnosis |
| 400 | Sys.SpeedLimit.OutOfLimit | The accept speed is out of limit. | Access frequency exceeds limit | diagnosis |
| 400 | InternalError | The request processing has failed due to some unknown error, exception or failure. | Internal Error | diagnosis |
| 400 | InboundEndpoint.Region.Unsupported | The specific region is unsupported for resolver. | - | diagnosis |
| 400 | InboundEndpoint.Ipconfig.InvalidCidrBlock | The specified cidrBlock is invalid. | - | diagnosis |
| 400 | InboundEndpoint.Ipconfig.InvalidVSwitch | The specified vswitch is invalid. | - | diagnosis |
| 400 | InboundEndpoint.Ipconfig.InvalidAzId | The specified az id is invalid. | - | diagnosis |
| 400 | InboundEndpoint.Ipconfig.ExceedsLimit | The number of source IP addresses that are specified for outbound traffic exceeds the upper limit. | - | diagnosis |
| 400 | InboundEndpoint.Ipconfig.DuplicateIp | The specific ip has duplicated with exist one. | - | diagnosis |
| 400 | InboundEndpoint.Ipconfig.InvalidIp | The specified IP address is invalid. | - | diagnosis |
| 400 | InboundEndpoint.Ipconfig.BelowMinimum | The number of source IP addresses that are specified for outbound traffic below minimum. | - | diagnosis |
| 400 | InboundEndpoint.Name.ExceedsLength | The maximum length of an endpoint name is reached. | - | diagnosis |
| 400 | InboundEndpoint.InvalidSecurityGroupId | The specified security group id is invalid. | - | diagnosis |
| 400 | InboundEndpoint.Num.ExceedsLimit | The maximum number of endpoints is reached. | - | diagnosis |
| 400 | InboundEndpoint.Name.Duplicate | The specified endpoint name is the same as an existing endpoint name. | - | diagnosis |
| 400 | InboundEndpoint.OperationForbidden.Status | The specific status of endpoint is unsupported for operation. | - | diagnosis |
| 400 | InboundEndpoint.InvalidVpcId | The specified vpc is invalid. | - | diagnosis |
| 400 | InboundEndpoint.InvalidStatus | The inboundEndpoint status is invalid. | - | diagnosis |
| 400 | InboundEndpoint.SystemAssignUnsupportedOperation | The system assign inboundEndpoint unsupported operation. | - | diagnosis |
| 400 | InboundEndpoint.InvalidSpecVersion | The inboundEndpoint spec version is invalid. | - | diagnosis |
| 400 | InboundEndpoint.NotExsits | The inboundEndpoint is not Exsit. | - | diagnosis |
| 400 | InboundEndpoint.InvalidId | The inboundEndpoint id is invalid. | - | diagnosis |
| 400 | InboundEndpoint.InvalidUserId | The UserId parameter is invalid. | - | diagnosis |
| 400 | InboundEndpoint.Ipconfig.DuplicateIpWithForwardIp | The specific IP has duplicated with forward IP. | The inbound endpoint service IP is duplicate with the forwarding rule destination IP associated with the outbound endpoint in the VPC | diagnosis |
| 400 | InboundEndpoint.Ipconfig.DuplicateIpWithResolverEndpointIp | The specific IP has duplicated with resolver endpoint IP. | The inbound endpoint service IP is duplicate with the outbound endpoint service P in the same VPC | diagnosis |
| 400 | ResolverRule.Endpoint.RegionNotConsistent | The region of the endpoint of the forwarding rule is inconsistent with the region bound to the VPC. | The region of the endpoint of the forwarding rule is inconsistent with the region bound to the VPC. | diagnosis |