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# Cambios en variables de entorno y propiedades del sistema
<a name="migration-env-and-system-props"></a>


| Variable de entorno 1.x | Propiedad del sistema 1.x | Variable de entorno 2.x | Propiedad del sistema 2.x | 
| --- | --- | --- | --- | 
| AWS\_ACCESS\_KEY\_IDAWS\_ACCESS\_KEY | aws.accessKeyId | AWS\_ACCESS\_KEY\_ID | aws.accessKeyId | 
| AWS\_SECRET\_KEYAWS\_SECRET\_ACCESS\_KEY | aws.secretKey | AWS\_SECRET\_ACCESS\_KEY | aws.secretAccessKey | 
| AWS\_SESSION\_TOKEN | aws.sessionToken | AWS\_SESSION\_TOKEN | aws.sessionToken | 
| AWS\_REGION | aws.region | AWS\_REGION | aws.region | 
| AWS\_CONFIG\_FILE |   | AWS\_CONFIG\_FILE | aws.configFile | 
| AWS\_CREDENTIAL\_PROFILES\_FILE |   | AWS\_SHARED\_CREDENTIALS\_FILE | aws.sharedCredentialsFile | 
| AWS\_PROFILE | aws.profile | AWS\_PROFILE | aws.profile | 
| AWS\_EC2\_METADATA\_DISABLED | com.amazonaws.sdk.disableEc2Metadata | AWS\_EC2\_METADATA\_DISABLED | aws.disableEc2Metadata | 
|   | com.amazonaws.sdk.ec2MetadataServiceEndpointOverride | AWS\_EC2\_METADATA\_SERVICE\_ENDPOINT | aws.ec2MetadataServiceEndpoint | 
| AWS\_CONTAINER\_CREDENTIALS\_RELATIVE\_URI |   | AWS\_CONTAINER\_CREDENTIALS\_RELATIVE\_URI | aws.containerCredentialsPath | 
| AWS\_CONTAINER\_CREDENTIALS\_FULL\_URI |   | AWS\_CONTAINER\_CREDENTIALS\_FULL\_URI | aws.containerCredentialsFullUri | 
| AWS\_CONTAINER\_AUTHORIZATION\_TOKEN |   | AWS\_CONTAINER\_AUTHORIZATION\_TOKEN | aws.containerAuthorizationToken | 
| AWS\_CBOR\_DISABLED | com.amazonaws.sdk.disableCbor | CBOR\_ENABLED | aws.cborEnabled | 
| AWS\_ION\_BINARY\_DISABLE | com.amazonaws.sdk.disableIonBinary | BINARY\_ION\_ENABLED | aws.binaryIonEnabled | 
| AWS\_EXECUTION\_ENV |   | AWS\_EXECUTION\_ENV | aws.executionEnvironment | 
|   | com.amazonaws.sdk.disableCertChecking | No se admite ([característica de solicitud](https://github.com/aws/aws-sdk-java-v2/issues/new)) | No se admite ([característica de solicitud](https://github.com/aws/aws-sdk-java-v2/issues/new)) | 
|   | com.amazonaws.sdk.enableDefaultMetrics | [No admitido](https://github.com/aws/aws-sdk-java-v2/issues/23) | [No admitido](https://github.com/aws/aws-sdk-java-v2/issues/23) | 
|   | com.amazonaws.sdk.enableThrottledRetry | [No admitido](https://github.com/aws/aws-sdk-java-v2/issues/645) | [No admitido](https://github.com/aws/aws-sdk-java-v2/issues/645) | 
|   | com.amazonaws.regions.RegionUtils.fileOverride | No se admite ([característica de solicitud](https://github.com/aws/aws-sdk-java-v2/issues/new)) | No se admite ([característica de solicitud](https://github.com/aws/aws-sdk-java-v2/issues/new)) | 
|   | com.amazonaws.regions.RegionUtils.disableRemote | No se admite ([característica de solicitud](https://github.com/aws/aws-sdk-java-v2/issues/new)) | No se admite ([característica de solicitud](https://github.com/aws/aws-sdk-java-v2/issues/new)) | 
|   | com.amazonaws.services.s3.disableImplicitGlobalClients | No se admite ([característica de solicitud](https://github.com/aws/aws-sdk-java-v2/issues/new)) | No se admite ([característica de solicitud](https://github.com/aws/aws-sdk-java-v2/issues/new)) | 
|   | com.amazonaws.sdk.enableInRegionOptimizedMode | No se admite ([característica de solicitud](https://github.com/aws/aws-sdk-java-v2/issues/new)) | No se admite ([característica de solicitud](https://github.com/aws/aws-sdk-java-v2/issues/new)) |