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Knowledge Center

AWS re:Post includes AWS Official Knowledge Center articles and videos covering the most frequent questions and requests that we receive from AWS customers.
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1/9

Why aren't my Amazon S3 objects replicating when I set up replication between my buckets?

AWS OFFICIAL
AWS OFFICIALUpdated a year ago
I set up cross-Region replication (CRR) or same-Region replication (SRR) between my Amazon Simple Storage Service (Amazon S3) buckets. However, objects aren't replicating to the destination bucket.
KNOWLEDGE CENTER
Amazon Simple Storage Service

Why can't I connect to my EC2 instance?

AWS OFFICIAL
AWS OFFICIALUpdated a year ago
When I try to connect to my Amazon Elastic Compute Cloud (Amazon EC2) instance, I get an error.
KNOWLEDGE CENTER
Amazon EC2WindowsLinux

How can I reactivate my suspended AWS account?

AWS OFFICIAL
AWS OFFICIALUpdated 7 months ago
I want to regain access to my suspended account and AWS services.
KNOWLEDGE CENTER
AWS Account Management

How can I check to see who modified a Lambda function what changes were made?

AWS OFFICIAL
AWS OFFICIALUpdated 2 years ago
I want to find out who modified an AWS Lambda function and what changes were made.
KNOWLEDGE CENTER
AWS LambdaAWS CloudTrail

How do I resolve the manual snapshot error in my OpenSearch Service cluster?

AWS OFFICIAL
AWS OFFICIALUpdated a year ago
I tried to restore a manual snapshot for my Amazon OpenSearch Service cluster, but I received an error when trying to register or access a repository.
KNOWLEDGE CENTER
Amazon OpenSearch Service

How do I troubleshoot domain transfer failures in Route 53?

AWS OFFICIAL
AWS OFFICIALUpdated a year ago
I want to troubleshoot domain transfer failures in Amazon Route 53.
KNOWLEDGE CENTER
Amazon Route 53

How do I troubleshoot issues when connecting to my Amazon MSK cluster?

AWS OFFICIAL
AWS OFFICIALUpdated 2 years ago
I'm experiencing issues when I try to connect to my Amazon Managed Streaming for Apache Kafka (Amazon MSK) cluster.
KNOWLEDGE CENTER
Amazon Managed Streaming for Apache Kafka (Amazon MSK)

Why can’t I use a secondary IP address to connect to my Amazon EC2 Linux instance?

AWS OFFICIAL
AWS OFFICIALUpdated a year ago
I want to understand why I can't connect to my Amazon Elastic Compute Cloud (Amazon EC2) Linux instance when I use a secondary IP address.
KNOWLEDGE CENTER
Amazon EC2Linux

Why can’t I use Session Manager to connect to my Amazon EC2 instance?

AWS OFFICIAL
AWS OFFICIALUpdated a year ago
I can't use Session Manager, a capability of AWS Systems Manager, to access my Amazon Elastic Compute Cloud (Amazon EC2) instance.
KNOWLEDGE CENTER
AWS Systems Manager
Newly created
1/9

How do I troubleshoot SCP explicit deny errors in AWS Organizations?

AWS OFFICIAL
AWS OFFICIALUpdated 4 days ago
My AWS Organizations member account received an explicit deny error message similar to the following: "The IAM Entity is not authorized to perform API action on resource:...
KNOWLEDGE CENTER
AWS Identity and Access Management

How do I troubleshoot long-running or stuck snapshots in OpenSearch Service?

AWS OFFICIAL
AWS OFFICIALUpdated 5 days ago
I registered a snapshot repository in Amazon OpenSearch Service. When I try to take a manual snapshot, the snapshot is stuck in progress for a long time or it fails.
KNOWLEDGE CENTER
Amazon OpenSearch Service

How do I resolve the IAM user error "not authorized to perform iam:PassRole"?

AWS OFFICIAL
AWS OFFICIALUpdated 4 days ago
I tried to perform an API action with an AWS Identity and Access Management (IAM) user to pass a role to an AWS service. The API action failed, and I received an error similar to the following: "You...
KNOWLEDGE CENTER
AWS Identity and Access Management

How do I troubleshoot a failed BGP connection between Site-to-Site VPN and Direct Connect?

AWS OFFICIAL
AWS OFFICIALUpdated 10 days ago
My Border Gateway Protocol (BGP) session can't establish a connection between my AWS Site-to-Site VPN and AWS Direct Connect.
KNOWLEDGE CENTER
AWS Virtual Private Network (VPN)

How do I create an Amazon EMR Serverless application to run a Spark job?

AWS OFFICIAL
AWS OFFICIALUpdated 5 days ago
I want to create an Amazon EMR Serverless application to run a Spark job.
KNOWLEDGE CENTER
Amazon EMR Serverless

How do I recognize and resolve cluster health issues that have too many shards?

AWS OFFICIAL
AWS OFFICIALUpdated 5 days ago
I see a degradation in my Amazon OpenSearch Service cluster health and performance.
KNOWLEDGE CENTER
Amazon OpenSearch Service

How do I prevent the automatic failback in active-passive failover configurations with a Route 53 health check?

AWS OFFICIAL
AWS OFFICIALUpdated 20 days ago
I created an active-passive failover configuration in Amazon Route 53. I want to prevent the automatic failback action.
KNOWLEDGE CENTER
Amazon Route 53

How do I map a network file share on a Linux WorkSpace?

AWS OFFICIAL
AWS OFFICIALUpdated 7 days ago
I want to mount a network file share on an Amazon WorkSpaces Linux WorkSpace.
KNOWLEDGE CENTER
Amazon WorkSpacesLinux

Why can't I connect to my WorkSpace after I activated certificate-based authentication?

AWS OFFICIAL
AWS OFFICIALUpdated 7 days ago
I activated certificate-based authentication for Amazon WorkSpaces, but now I can't connect to my WorkSpace.
KNOWLEDGE CENTER
Amazon WorkSpaces
Popular
1/9

How do I create and activate a new AWS account?

AWS OFFICIAL
AWS OFFICIALUpdated 10 months ago
I'm getting started with AWS and I want to create and activate a new AWS account.
KNOWLEDGE CENTER
AWS Account Management

How do I troubleshoot "Connection refused" or "Connection timed out" errors when I use SSH to connect to my EC2 instance with SSH?

AWS OFFICIAL
AWS OFFICIALUpdated 2 months ago
I receive "Connection refused" or "Connection timed out" errors when I use SSH to connect to my Amazon Elastic Compute Cloud (Amazon EC2) instance.
KNOWLEDGE CENTER
Amazon EC2Linux

How do I troubleshoot 403 Access Denied errors from Amazon S3?

AWS OFFICIAL
AWS OFFICIALUpdated 2 years ago
My users are trying to access objects in my Amazon Simple Storage Service (Amazon S3) bucket, but Amazon S3 is returning the 403 Access Denied error.
KNOWLEDGE CENTER
Amazon Simple Storage Service

I'm receiving "Permission denied (publickey)" or "Authentication failed, permission denied" errors when trying to access my EC2 instance. How do I resolve this?

AWS OFFICIAL
AWS OFFICIALUpdated 2 years ago
I'm receiving "Permission denied (publickey)" or "Authentication failed, permission denied" errors when accessing my Amazon Elastic Compute Cloud (Amazon EC2) instance.
KNOWLEDGE CENTER
Amazon EC2Linux

How do I grant cross-account access to objects that are in Amazon S3 buckets?

AWS OFFICIAL
AWS OFFICIALUpdated 5 days ago
I want to grant another AWS account access to an object that's in an Amazon Simple Storage Service (Amazon S3) bucket.
KNOWLEDGE CENTER
Amazon Simple Storage Service

How do I troubleshoot HTTP 403 errors from API Gateway?

AWS OFFICIAL
AWS OFFICIALUpdated 20 days ago
When I call my Amazon API Gateway API, I get a 403 error.
KNOWLEDGE CENTER
Amazon API Gateway

How do I resolve the "No 'Access-Control-Allow-Origin' header is present on the requested resource" error from CloudFront?

AWS OFFICIAL
AWS OFFICIALUpdated 2 months ago
I get the "No 'Access-Control-Allow-Origin'" cross-origin resource sharing (CORS) error on my requested resource in Amazon CloudFront.
KNOWLEDGE CENTER
Amazon CloudFront

How do I delete or terminate my Amazon EC2 resources?

AWS OFFICIAL
AWS OFFICIALUpdated 2 years ago
I want to find all resources associated with the Amazon Elastic Compute Cloud (Amazon EC2) service and delete them.
KNOWLEDGE CENTER
Amazon EC2WindowsLinux

How do I remove active resources that I no longer need in my AWS account?

AWS OFFICIAL
AWS OFFICIALUpdated a month ago
I want to remove active resources that I no longer need in my AWS account.
KNOWLEDGE CENTER
AWS BillingAWS Account Management