0052-00000101
Calling the CreateBucketDataRedundancyTransition API returns an HTTP 403 AccessDenied error with the message Bucket data redundancy transition is disabled because the bucket's region does not support data redundancy transition.
Problem description
When you call the CreateBucketDataRedundancyTransition API to create a data redundancy transition task, you receive the following error:
HTTP status code:
403Error code:
AccessDeniedError message: Bucket data redundancy transition is disabled
Cause
The bucket's region does not support data redundancy transition. For a list of supported regions, see Convert the data redundancy type of a bucket.
Example
In this example, the request fails because the China (Chengdu) region does not support data redundancy transition. The response returns error code 0052-00000101.
Sample request:
POST /?redundancyTransition&x-oss-target-redundancy-type=ZRS HTTP/1.1
Host: example-bucket-cd.oss-cn-chengdu.aliyuncs.com
Date: Thu, 23 Apr 2026 13:19:41 GMT
Authorization: OSS LTAI**************:Nh1v****************
Sample response:
HTTP/1.1 403 Forbidden
Content-Type: application/xml
x-oss-request-id: 69EA1C6D51A02B3232A4059B
<?xml version="1.0" encoding="UTF-8"?>
<Error>
<Code>AccessDenied</Code>
<Message>Bucket data redundancy transition is disabled.</Message>
<RequestId>69EA1C6D51A02B3232A4059B</RequestId>
<HostId>example-bucket-cd.oss-cn-chengdu.aliyuncs.com</HostId>
<EC>0052-00000101</EC>
<RecommendDoc>https://api.aliyun.com/troubleshoot?q=0052-00000101</RecommendDoc>
</Error>
The response includes two Alibaba Cloud-specific fields:
EC: The Alibaba Cloud error code that uniquely identifies the error condition. Use this code to look up troubleshooting guidance.
RecommendDoc: A direct link to the troubleshooting page for this error code.
Solution
If your business requirements allow, migrate the data to a new bucket in a supported region.