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Unable to Create Folder (name: ) Error

KB ID:	3097
Product:	Veeam Backup for Microsoft 365
Version:	4.0.0.1345, 4.0.0.1553
Published:	2020-02-10
Last Modified:	2020-08-13

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Challenge

The following error occurs when creating a folder in the S3-Compatible Object Storage bucket: "Unable to create folder (name: <folder_name>)".

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Cause

Certain S3-compatible API do not support an unsigned payload used by Veeam Backup for Microsoft 365 as the x-amz-content-sha256 authorization header. Applicable to builds: 4.0.0.1345, 4.0.0.1553.

Solution

Upgrade the Veeam Backup for Microsoft 365 server to version 4.0b (build 4.0.0.2516) or contact technical support to get a patch for version 4.0a (build 4.0.0.1553).

More Information

Veeam Backup and Replication and the S3-Browser tool (a 3rd party tool for S3 storage) are not affected.

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