# How do I tell an S3 backend the exact region to use?

**URL:** https://forum.duplicati.com/t/how-do-i-tell-an-s3-backend-the-exact-region-to-use/8875
**Category:** Support
**Created:** [January 15, 2020, 8:49am UTC](https://forum.duplicati.com/t/how-do-i-tell-an-s3-backend-the-exact-region-to-use/8875 "2020-01-15T08:49:02Z")
**Posts on this page:** 1
**Showing post:** 8

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### Author: ![ts678](https://forum.duplicati.com/letter_avatar_proxy/v4/letter/t/8491ac/32.png) [@ts678](https://forum.duplicati.com/u/ts678)
#### Post date: [January 18, 2020, 3:50pm UTC](https://forum.duplicati.com/t/how-do-i-tell-an-s3-backend-the-exact-region-to-use/8875/8 "2020-01-18T15:50:43Z")

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Another idea from the forum. You can look at the original issue and symptoms to see if it matches yours.

> [@Error Failed to connect: The authorization header is malformed; the region is wrong; expecting 'us-east-1'](https://forum.duplicati.com/t/error-failed-to-connect-the-authorization-header-is-malformed-the-region-is-wrong-expecting-us-east-1/7305/2):
>
> For the record, needed to set s3-ext-authenticationregion to match the same as “region” in the default attributes.

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