AWS Knowledge Center

Here are some of the most frequent questions and requests that we receive from AWS customers. If you don't see what you need here, check out the AWS Documentation, visit the AWS Discussion Forums, or visit the AWS Support Center.

AWS Activate

Amazon API Gateway

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AWS AppSync

AWS Artifact

Amazon Athena

AWS Auto Scaling


AWS Backup


AWS Batch

AWS Certificate Manager

AWS Client VPN

Amazon Chime

CloudEndure Migration

AWS Cloud9

AWS CloudFormation

Amazon CloudFront

AWS CloudHSM

AWS CloudTrail


Amazon CloudWatch


AWS CodeBuild

AWS CodeDeploy

AWS CodePipeline

Amazon Cognito

AWS Config

Amazon Connect

AWS Control Tower

AWS Database Migration Service (AWS DMS)

AWS DataSync

AWS Data Pipeline

AWS Device Farm

AWS Direct Connect

AWS Directory Service


Amazon DocumentDB

Amazon DynamoDB

AWS Educate




AWS Elastic Beanstalk

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Amazon Elastic Compute Cloud (Amazon EC2)

EC2 Linux
EC2 Windows

Amazon Elastic Container Service (Amazon ECS)

Amazon Elastic Container Service for Kubernetes (Amazon EKS)


Amazon Elastic File System (Amazon EFS)

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Amazon ElastiCache

Amazon Elasticsearch Service

AWS Elemental MediaLive

Amazon EMR

My Amazon EMR application fails with an HTTP 404 "Not Found" AmazonS3Exception

My Spark or Hive job on Amazon EMR fails with an HTTP 503 "Slow Down" AmazonS3Exception

My Amazon EMR application fails with an HTTP 403 "Access Denied" AmazonS3Exception

YARN is still using resources even though the Spark job that I executed on Amazon EMR from Juypter or Zeppelin has finished executing

I'm having trouble accessing Amazon S3 from Hue in Amazon EMR

I got the error "Failed to retrieve bucket: hostname doesn't match either of '*.s3.amazonaws.com', 's3.amazonaws.com'" when using Hue in Amazon EMR

My Amazon EMR cluster failed to launch with the error "EC2 is out of capacity" or "The requested number of instances exceeds your EC2 quota"

My Amazon EMR cluster's nodes are running out of disk space because a Spark Streaming job is taking too long to finish

My Amazon EMR Hive query is failing because of an intermittent hive-staging FileNotFoundException

I upgraded to a newer release version of Amazon EMR, and now my cluster won't launch

I encrypted the storage volumes on my Amazon EMR cluster, but the Amazon EC2 console says that the volumes are not encrypted

I get a “The provided token is malformed or otherwise invalid” error when launching an Amazon EMR cluster using Hive and Presto in the AWS China (Beijing) Region

I get an "EMR_DefaultRole is invalid" or "EMR_EC2_DefaultRole is invalid" error when creating an Amazon EMR cluster

My Amazon EMR cluster fails to launch and I get the error "bootstrap action returned a non-zero return code"

AWS Glue

Amazon GuardDuty


AWS Identity and Access Management

Amazon Inspector

AWS Key Management Service

Amazon Kinesis

AWS Lambda

Amazon Lightsail

Amazon Managed Blockchain

Amazon Neptune

AWS OpsWorks

AWS Organizations

Amazon QuickSight

Amazon Redshift

Amazon Relational Database Service (Amazon RDS)

Amazon Aurora

Amazon RDS for MySQL and MariaDB

Amazon RDS for Oracle

Amazon RDS for PostgreSQL

Amazon RDS for SQL Server

Amazon Route 53

Amazon SageMaker

AWS Secrets Manager

AWS Server Migration Service (AWS SMS)

Amazon Simple Email Service (Amazon SES)

Amazon Simple Notification Service (Amazon SNS)

Amazon Simple Storage Service (Amazon S3)

AWS Single Sign-On

Amazon S3 Glacier

AWS Snowball

AWS Storage Gateway

AWS Systems Manager


AWS Tools and SDKs

AWS Transfer for SFTP

AWS Transit Gateway

Amazon Virtual Private Cloud (Amazon VPC)

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AWS WAF

Amazon WorkDocs

Amazon WorkMail

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Account Management

Billing Management

General Information












Resource Management