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InvalidRequest - The authorization mechanism you have provided is not supported. Please use AWS4-HMAC-SHA256.

Error

When accessing Amazon S3 buckets that are located in the new AWS Germany (Frankfurt) region, S3Express reports the error "400 - InvalidRequest - The authorization mechanism you have provided is not supported. Please use AWS4-HMAC-SHA256."

Solution

The new AWS signature version 4 is required to access buckets in the new AWS Germany (Frankfurt) region. Please upgrade S3Express to version 1.5.5 or newer. Upgrading is free if you already purchased a license for S3Express version 1, see : www.s3express.com/kb/item29.htm

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Error 51 when accessing S3 buckets with periods (.) in the name

Error "400 - AuthorizationHeaderMalformed - The authorization header is malformed; Invalid credential date. Date is not the same as X-Amz-Date."

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Author: S3Express

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