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© 2025 Direct Cursus Technology L.L.C.
All solutions
    • All solutions for Object Storage
    • Resolving the `Bucket is not empty` error when deleting a bucket
    • Troubleshooting access to a bucket with an assigned security policy
    • Fixing error 429
    • Fixing error 409: `BucketAlreadyExists`
    • Resolving the error of access to S3 buckets from a Yandex Data Processing 1.4 cluster
    • Fixing error 403 (header is not retrieved when using the `OPTION` method)
    • Resolving certificate error
    • Resolving the `GATEWAY_REQUEST_ERROR` error
    • Fixing issues with incorrect MIME types of objects when uploading them to Object Storage
    • Troubleshooting issues with uploading new objects to a bucket
    • How to migrate data from an Object Storage bucket to ice storage
    • How to restrict Object Storage bucket access to a specific Cloud CDN IP address range
    • How to move bucket contents to another bucket in the same folder
    • How to directly access the Object Storage API without using SDK
    • How to view and delete incomplete downloads
    • How to determine the speed of data upload and download
    • How to configure `Cache-Control` headers for objects in a bucket during HTTP requests
    • How to restrict access to a bucket for a user
    • How to connect your own domain to a bucket
    • How to change the storage class
    • How to recover data deleted from a bucket

In this article:

  • Issue description
  • Solution
  • If the issue persists
  1. Object Storage
  2. Troubleshooting issues with uploading new objects to a bucket

Fixing issues with uploading new objects to a bucket

Written by
Yandex Cloud
Updated at December 17, 2025
  • Issue description
  • Solution
  • If the issue persists

Issue descriptionIssue description

You fail to upload new files to a bucket, or your bucket has no associated bucket policies or ACLs, although the IAM account you use to upload files has enough roles to run this operation.

SolutionSolution

You have probably exceeded the Storage size quota in your cloud.

You can check the current quotas and request to increase them on this page.

If the issue persistsIf the issue persists

If the above actions did not help, create a support ticket.
When creating a ticket, provide the following information:

  1. Object Storage bucket name.
  2. Date and time when the objects were uploaded.
  3. How you uploaded objects to the bucket: using WinSCP, CyberDuck, AWS CLI, s3cmd, or any other tool.
  4. ID of the service account for which you issued a static access key.

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Fixing issues with incorrect MIME types of objects when uploading them to Object Storage
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