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.
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AWS Activate
Amazon API Gateway
How do I upload an image file to Amazon S3 through API Gateway?
How do I troubleshoot "Invalid permissions on Lambda function" errors from API Gateway REST APIs?
How do I allow the IP address for my API Gateway API to access my integration firewall?
How do I resolve the "Network Error communicating with endpoint" error in API Gateway?
How do I access a private API Gateway API when the VPC endpoint uses an on-premises DNS?
How can I resolve the errors that I receive when I integrate API Gateway with a Lambda function?
How do I set up an Amazon Cognito user pool as an authorizer on an API Gateway REST API?
How do I find 5xx errors from API Gateway in my CloudWatch logs?
How do I set up an API Gateway API to handle binary data using a Lambda proxy integration?
How do I troubleshoot HTTP 504 errors from my API Gateway REST API?
How do I find API Gateway REST API errors in my CloudWatch logs?
How do I troubleshoot CORS errors from my API Gateway API?
How do I integrate an API Gateway REST API with an Application Load Balancer?
How do I allow only specific IP addresses to access my API Gateway REST API?
Why am I getting API Gateway 401 Unauthorized errors after creating a Lambda authorizer?
How do I use API Gateway as a proxy for another AWS service?
How do I troubleshoot HTTP 403 Forbidden errors from API Gateway?
How do I migrate API Gateway REST APIs between AWS accounts or Regions?
How do I turn on CloudWatch Logs for troubleshooting my API Gateway REST API or WebSocket API?
How do I authorize access to API Gateway APIs using custom scopes in Amazon Cognito?
How do I troubleshoot issues connecting to an API Gateway private API endpoint?
How do I resolve "Invalid mapping expression specified" errors from API Gateway?
Why do I get an HTTP 403 Forbidden error when connecting to my API Gateway APIs from a VPC?
How do I set up API Gateway with my own CloudFront distribution?
How do I associate a model with my API in Amazon API Gateway?
How do I determine what's causing request latency for my edge-optimized API endpoint in API Gateway?
How do I define a custom domain name for my API Gateway API?
How do I resolve API Gateway "malformed Lambda proxy response" errors or 502 status codes?
How do I activate IAM authentication for API Gateway REST APIs?
Amazon AppStream 2.0
How do I use my own Microsoft RDS CALs with AppStream 2.0?
How can I troubleshoot an AppStream 2.0 image builder that is stuck in Pending status?
How do I update the image of an existing Amazon AppStream 2.0 fleet?
How do I create an AppStream 2.0 image and deploy it to my fleet?
AWS AppSync
AWS Artifact
How can I sign or share a compliance report that requires an NDA using AWS Artifact?
How can I troubleshoot errors related to AWS Artifact organization agreement access or download?
How can I activate a BAA agreement for my organization using AWS Artifact?
When does AWS release new SOC reports, and how can I download the latest report using AWS Artifact?
Amazon Athena
How do I troubleshoot timeout issues when I query CloudTrail data using Athena?
How do I resolve the error "GENERIC_INTERNAL_ERROR" when I query a table in Amazon Athena?
How do I resolve the "HIVE_CURSOR_ERROR" exception when I query a table in Amazon Athena?
How can I resolve the "HIVE_METASTORE_ERROR" error when I query a table in Amazon Athena?
How do I enable debug logs in my Athena JDBC/ODBC driver?
Why does the MSCK REPAIR TABLE command take a long time to run?
How can I create and use partitioned tables in Amazon Athena?
Why can't I view my latest billing data when I query my Cost and Usage Reports using Amazon Athena?
How do I analyze the Amazon VPC flow logs using Amazon Athena?
Why does my Athena query fail with the error "HIVE_PARTITION_SCHEMA_MISMATCH"?
How can I resolve timestamp exceptions when I query a table in Amazon Athena?
How do I resolve the "HIVE_PATH_ALREADY_EXISTS" exception when I run a CTAS query in Amazon Athena?
Why do my Amazon Athena queries take a long time to run?
How do I troubleshoot the failure of my Amazon EMR Spark job using Amazon Athena?
Why are some of my AWS Glue tables missing in Athena?
How can I increase the maximum query string length in Athena?
How can I resolve the "View is stale; it must be re-created" error in Athena?
How can I store an Athena query output in a format other than CSV, such as a compressed format?
How do I resolve the "function not registered" syntax error in Athena?
How can I schedule an Athena query?
How do I resolve the error "unable to create input format" in Athena?
How can I set the number or size of files when I run a CTAS query in Athena?
How can I see the Amazon S3 source file for a row in an Athena table?
How do I resolve the "Unable to verify/create output bucket" error in Amazon Athena?
How do I analyze my Application Load Balancer access logs using Amazon Athena?
MSCK REPAIR TABLE detects partitions in Athena but doesn't add them to the AWS Glue Data Catalog
How do I analyze my Amazon S3 server access logs using Athena?
When I query a table in Amazon Athena, the TIMESTAMP result is empty
How can I access and download the results of an Athena query?
Why do I get errors when I try to read JSON data in Amazon Athena?
Why do I get the "Access Denied" error when I run a query in Amazon Athena?
How do I use the results of an Athena query in another query?
Why do I get zero records when I query my Amazon Athena table?
AWS Auto Scaling
Why am I receiving an error when I try to create an Amazon EC2 Auto Scaling lifecycle hook?
Why doesn’t my Amazon EC2 Auto Scaling policy trigger when my CloudWatch alarm changes states?
How do I reboot an instance in an Amazon EC2 Auto Scaling group?
Why did Amazon EC2 Auto Scaling terminate an instance?
Why didn’t Amazon EC2 Auto Scaling terminate an unhealthy instance?
My Auto Scaling API calls are getting throttled. What can I do to avoid this?
How do I ensure that Auto Scaling lifecycle actions complete successfully when I use AWS CodeDeploy?
Why did my Auto Scaling Group Scale down?
How do I troubleshoot scaling issues with my Amazon EC2 Auto Scaling group?
AWS Backup
Why are my scheduled backup plans in AWS Backup not running?
How can I restore an Amazon EC2 instance from an AWS Backup recovery point using the AWS CLI?
How can I use the AWS CLI to create an AWS Backup plan or run an on-demand job?
How do I restore an Amazon EFS file system from an AWS Backup recovery point using the AWS CLI?
How can I manage my AWS Backup settings using AWS CloudFormation templates?
How can I get notifications for AWS Backup jobs that failed?
AWS Batch
How do I use AWS Batch as a target for my CloudWatch Events rule?
Why is my AWS Batch job stuck in RUNNABLE status?
How do I resolve the "DockerTimeoutError" error in AWS Batch?
How do I fix a compute environment that's not valid in AWS Batch?
How do I cancel all RUNNABLE jobs from my job queue in AWS Batch?
How can I increase the size of Amazon EBS volumes in AWS Batch using a launch template?
How do I resolve the "No space left on device" error in AWS Batch?
How can I mount an Amazon EFS volume to AWS Batch in a managed compute environment?
How do I resolve the "Getting error Too Many Requests" error when I submit an AWS Batch job?
How do I get the ID or IP address of an Amazon EC2 instance for an AWS Batch job?
How do I pass parameters from a scheduled trigger in CloudWatch to an AWS Batch job?
AWS Certificate Manager
How can I use the same SSL certificate for my Amazon EC2 instance and load balancer?
How do I resolve CAA errors for issuing or renewing an ACM certificate?
Can I export my ACM certificates to other AWS Regions or AWS accounts?
How can I configure ACM certificates for my website hosted on an EC2 instance?
Can I switch my ACM certificate’s validation method?
Why am I not receiving validation emails when using ACM to issue or renew a certificate?
Why did my ACM certificate fail automatic renewal?
Why is my AWS Certificate Manager (ACM) certificate DNS validation status still pending validation?
Why can't I find my imported certificate for my load balancer or CloudFront distribution?
How can I add certificates for multiple domains to an ELB using AWS Certificate Manager?
How do I configure my CloudFront distribution to use an SSL/TLS certificate?
Why can't I import a third-party public SSL/TLS certificate into AWS Certificate Manager (ACM)?
Why can't I resend the validation email from ACM when renewing a certificate?
How can I receive the validation email to verify my domain for AWS Certificate Manager (ACM)?
AWS Client VPN
How can a Client VPN user get a static IP address to access the internet?
Why aren't my DNS queries forwarded to the DNS servers set on my Client VPN endpoint?
Why aren't the users specified in my CRL revoked by Client VPN?
How do I configure a Client VPN using the AWS CLI?
How do I connect to a Client VPN endpoint using a proxy?
How do I resolve resource records in my private hosted zone using Client VPN?
How can I provide my Client VPN users with access to AWS resources?
How does DNS work with my AWS Client VPN endpoint?
How can I revoke access to a Client VPN endpoint for a specific client?
How do I associate a target network with a Client VPN endpoint?
How can I configure multiple users to use the same Client VPN endpoint?
How can I create a Client VPN endpoint using certificate-based authentication?
CloudEndure Migration
How do I migrate a server from on-premises to AWS using CloudEndure Migration?
I want to migrate my data to AWS using CloudEndure Migration. How do I begin the process?
AWS Cloud9
AWS CloudFormation
How do I resolve the "Custom Named Resource already exists in stack" error in AWS CloudFormation?
How can I get my CloudFormation stack to update if it's stuck in the UPDATE_ROLLBACK_FAILED state?
How do I enable special parameters in an AWS Glue job using AWS CloudFormation?
How do I add routes to the main route table in my VPC with AWS CloudFormation?
How do I delete an AWS CloudFormation stack that's stuck in DELETE_FAILED status?
How do I use CloudFormation to stop and start my instances at predefined times?
How can I reference a resource in another stack from an AWS CloudFormation template?
How do I retain some of my resources when I delete an AWS CloudFormation stack?
How do I use multiple values for individual parameters in an AWS CloudFormation template?
How do I resolve template validation or template format errors in CloudFormation?
How do I prevent the resources in my AWS CloudFormation stack from getting deleted or updated?
How do I update a CloudFormation stack that's failing because of a resource that I manually deleted?
How can I correctly update my Auto Scaling group when I update my AWS CloudFormation stack?
How do I resolve the “Route did not stabilize in expected time” error in AWS CloudFormation?
How do I resolve the CloudFormer error “No default VPC found for this user” in AWS CloudFormation?
How do I resolve the “VpcPeeringConnection failed to stabilize” error in AWS CloudFormation?
How do I use Amazon ECS service discovery with CloudFormation?
How can I stop my Amazon ECS service from failing to stabilize in AWS CloudFormation?
How can I attach an IAM managed policy to an IAM role in AWS CloudFormation?
How do I pass CommaDelimitedList parameters to nested stacks in AWS CloudFormation?
How do I pass values between nested stacks within the same parent stack in AWS CloudFormation?
How do I resolve the "No Export named XYZ found" error in AWS CloudFormation?
How can I map drive letters to Amazon EBS volumes in Windows using CloudFormation?
How do I resolve "MalformedPolicyDocument" errors in AWS CloudFormation?
How do I use custom resources with Amazon S3 buckets in CloudFormation?
How do I monitor IAM events and set up event notifications with AWS CloudFormation?
How can I tag a root volume from an instance created by AWS CloudFormation?
Amazon CloudFront
How can I configure CloudFront to forward the Authorization header to the origin?
Why is the traffic for my web content getting routed to the wrong CloudFront edge location?
How do I know if I'm using an older CloudFront API version?
How do I use my CloudFront distribution to restrict access to an Amazon S3 bucket?
Why isn't CloudFront following a cache behavior that I created?
How do I reduce the latency of slow responses from CloudFront?
Why is CloudFront serving outdated content from Amazon S3?
How do I resolve the error "The request could not be satisfied. Request Blocked" from CloudFront?
How do I use CloudFront to serve a static website hosted on Amazon S3?
How can I troubleshoot issues with using a custom SSL certificate for my CloudFront distribution?
Should I use CloudFront to serve my website content?
How do I resolve the error "The request could not be satisfied. Bad Request" from Amazon CloudFront?
How do I prevent CloudFront from caching certain files?
How do I resolve the error "CloudFront wasn't able to connect to the origin"?
How can I serve multiple domains from a CloudFront distribution over HTTPS?
How do I configure CloudFront to forward the Host header to the origin?
Why isn't CloudFront serving my domain name over HTTPS?
Why is my CloudFront distribution returning an “X-Cache:Miss from CloudFront” error?
Can I migrate a CloudFront distribution to another AWS account?
Why isn't CloudFront returning my default root object from a subdirectory?
Why doesn't Amazon CloudFront cache files in the amount of time I specified?
How do I use CloudFront to serve HTTPS requests for my Amazon S3 bucket?
Can I associate multiple SSL certificates with my CloudFront distribution?
AWS CloudHSM
How can I patch OpenSSL to enable use with the CloudHSM CKM_RSA_AES_KEY_WRAP mechanism?
How can I share CloudHSM clusters with other AWS accounts?
How can I resolve connection issues between the CloudHSM client and the CloudHSM cluster?
How do I restore a CloudHSM cluster from a previous backup?
Which CloudHSM certificates are used for the client-server end-to-end encrypted connection?
How do I view my AWS CloudHSM audit logs?
How can I resolve the error "RET_MXN_AUTH_FAILED" with the cloudhsm_mgmt_util command for CloudHSM?
I want to stop using the CloudHSM Classic service
How do I share keys with others users to only allow certain crypto functions in CloudHSM?
AWS CloudTrail
How can I find which API call is causing the "Rate exceeded" error?
How can I change my CloudTrail trail to an AWS Organization trail?
What are the differences between data and management events in CloudTrail?
Why did my CloudTrail cost and usage increase unexpectedly?
How can I search CloudTrail event history to determine how a security group or resource was changed?
How do I use AWS CloudTrail to track API calls to my Amazon EC2 instances?
How do I search for IAM access key API activity using CloudTrail?
How do I automatically create tables in Amazon Athena to search through AWS CloudTrail logs?
How can I use CloudTrail to review what API calls and actions have occurred in my AWS account?
How can I set up alerts to see when an IAM access key is used?
Amazon CloudWatch
How can I push custom metrics to CloudWatch?
How can I resolve the errors that I received for the failing CloudWatch canary I created in my VPC?
Why did my CloudWatch canary fail with the error "Node is either not visible or not an HTMLElement"?
Why isn't my metric available in the CloudWatch console?
How can I identify a DOM selector or XPath to use in a CloudWatch canary GUI Workflow Builder?
Why did my CloudWatch canary stop running?
How can I monitor daily EstimatedCharges and trigger a CloudWatch alarm based on my usage threshold?
Why can't I retrieve data points for CloudWatch metrics in the CloudWatch console?
Why are my CloudWatch logs failing to export to S3 buckets?
Why wasn't my Lambda function triggered by my CloudWatch Events rule?
How can I get notified when IAM changes are made to my AWS account?
Why is my CloudWatch alarm in INSUFFICIENT_DATA state?
How can I create a CloudWatch alarm based on anomaly detection using the AWS CLI?
Why didn't I receive an SNS notification for my CloudWatch alarm trigger?
How can I create a custom event pattern for a CloudWatch event rule?
How can I be notified when changes are made to Route 53 hosted zone records?
How can I see why I was charged for CloudWatch usage, and then how can I reduce future charges?
How can I find which resource owns the unknown IP addresses in my Amazon VPC?
Why isn't the unified CloudWatch agent pushing log events?
How can I set up a CloudWatch alarm to automatically recover my EC2 instance?
How do I upload my Windows logs to CloudWatch?
Which Log Group is causing a sudden increase in my CloudWatch Logs bill?
How can I receive notifications for scheduled events for my EC2 instance using CloudWatch Events?
How do I retrieve log data from CloudWatch Logs?
How do I avoid throttling when I call PutMetricData in the CloudWatch API?
How do I monitor automatic recovery of my EC2 instances using CloudWatch alarms and SNS?
Why did my CloudWatch alarm trigger when its metric doesn't have any breaching data points?
Why can’t I push log data to CloudWatch Logs with the awslogs agent?
How do I push Docker container logs to CloudWatch Logs through a proxy?
How can I be sure that CloudWatch alarms trigger actions?
How do I set up scheduled EBS volume snapshots using Amazon CloudWatch?
Should I use GetMetricData or GetMetricStatistics for CloudWatch metrics?
Why isn't my CloudWatch GetMetricStatistics API call returning data points?
How can I use Amazon CloudWatch metrics to identify NAT gateway bandwidth issues?
Why did my CloudWatch alarm send me a notification after a single breached data point?
Why is the option "Recover this instance" disabled when creating an alarm in the EC2 console?
AWS CodeBuild
AWS CodeCommit
AWS CodeDeploy
How can I install the CodeDeploy agent using cfn-init?
How can I run the CodeDeploy agent with a user profile that's not the root profile?
How do I resolve "Net::OpenTimeout" errors in CodeDeploy?
How can I perform blue/green deployments for services hosted on Amazon ECS?
How can I troubleshoot a failed CodeDeploy deployment on Amazon EC2 instances?
AWS CodePipeline
How do I use CodePipeline to deploy an AWS CloudFormation stack in a different account?
How can I fix AWS CodePipeline when it runs twice?
How do I deploy artifacts to Amazon S3 in a different account using CodePipeline?
How do I deploy artifacts to Amazon S3 in a different account using CodePipeline with a canned ACL?
Amazon Cognito
How do I revoke JWT tokens in Amazon Cognito using the AWS CLI?
How do I enable TOTP as a multi-factor authentication for Amazon Cognito user pools?
How do I use remembered devices in my Amazon Cognito user pool?
How do I set up Google as a federated identity provider in an Amazon Cognito user pool?
How do I set up Okta as an OpenID Connect identity provider in an Amazon Cognito user pool?
How do I authorize access to API Gateway APIs using custom scopes in Amazon Cognito?
How do I set up LinkedIn as a social identity provider in an Amazon Cognito user pool?
How do I change the attributes of an Amazon Cognito user pool after creation?
Amazon Cognito isn't delivering MFA text messages to my app's users. How do I troubleshoot this?
What's the difference between Amazon Cognito user pools and identity pools?
How do I configure the hosted web UI for Amazon Cognito?
How can I decode and verify the signature of an Amazon Cognito JSON Web Token?
How do I set up a third-party SAML identity provider with an Amazon Cognito user pool?
How do I set up Auth0 as a SAML identity provider with an Amazon Cognito user pool?
How do I set up AD FS as a SAML identity provider with an Amazon Cognito user pool?
How do I set up Okta as a SAML identity provider in an Amazon Cognito user pool?
How do I set up OneLogin as a SAML identity provider with an Amazon Cognito user pool?





