S3Express: Amazon S3 Command Line Utility

Amazon S3 command line utility for Windows. Copy, query, backup multiple files to S3 using the Windows command line.

S3Express FAQ and Knowledge Base

Main Page > Browse Categories > Known Errors with Solutions > Error "400 - AuthorizationHeaderMalformed - The authorization header is malformed; Invalid credential date. Date is not the same as X-Amz-Date."

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

Error

When accessing Amazon S3, S3Express reports the error "400 - AuthorizationHeaderMalformed - The authorization header is malformed; Invalid credential date. Date is not the same as X-Amz-Date."

Solution

Please upgrade S3Express to version 1.5.10 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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