# The key authorization file from the server did not match this challenge !=

**URL:** <https://community.letsencrypt.org/t/the-key-authorization-file-from-the-server-did-not-match-this-challenge/27427>\
**Category:** Server\
**Created:** [February 8, 2017, 8:45pm UTC](https://community.letsencrypt.org/t/the-key-authorization-file-from-the-server-did-not-match-this-challenge/27427 "2017-02-08T20:45:20Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![yuridejurin](https://sea3.discourse-cdn.com/letsencrypt/user_avatar/community.letsencrypt.org/yuridejurin/32/11125_2.png) [@yuridejurin](https://community.letsencrypt.org/u/yuridejurin)\
**Post date:** [February 8, 2017, 8:45pm UTC](https://community.letsencrypt.org/t/the-key-authorization-file-from-the-server-did-not-match-this-challenge/27427/1 "2017-02-08T20:45:20Z")

</div>

Hello I have some problem

```
{
	"type": "http-01",
	"status": "invalid",
	"error": {
		"type": "urn:acme:error:unauthorized",
		"detail": "The key authorization file from the server did not match this challenge [BjvLz37mkrqwgZREfDwVlLnWUj-rdRYd0-9z186m7m8.0DrD2JSUJPUDyxeUhqq57I3m6xKYLpc9GeVaQBC8tMY] != [BjvLz37mkrqwgZREfDwVlLnWUj-rdRYd0-9z186m7m8.8mc-mjtY99ntmEm5PYUgHWvZz_Cq1CyWExWQh0zoYpc]",
		"status": 403
	},
	"uri": "https://acme-v01.api.letsencrypt.org/acme/challenge/kBfA4E5x0yzJJ8x96rUDNP4yMgJaf3NkxXsCioIzh24/602287698",
	"token": "BjvLz37mkrqwgZREfDwVlLnWUj-rdRYd0-9z186m7m8",
	"keyAuthorization": "BjvLz37mkrqwgZREfDwVlLnWUj-rdRYd0-9z186m7m8.0DrD2JSUJPUDyxeUhqq57I3m6xKYLpc9GeVaQBC8tMY",
	"validationRecord": [{
		"url": "http://DOMAIN/.well-known/acme-challenge/BjvLz37mkrqwgZREfDwVlLnWUj-rdRYd0-9z186m7m8",
		"hostname": "DOMAIN",
		"port": "80",
		"addressesResolved": ["195.138.XX.XX"],
		"addressUsed": "195.138.XX.XX"
	}]
}

```

p://DOMAIN/.well-known/acme-challenge/BjvLz37mkrqwgZREfDwVlLnWUj-rdRYd0-9z186m7m8 - TEXT/PLAIN

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<div class="post-metadata">

**Author:** ![ahaw021](https://sea3.discourse-cdn.com/letsencrypt/user_avatar/community.letsencrypt.org/ahaw021/32/14882_2.png) [@ahaw021](https://community.letsencrypt.org/u/ahaw021)\
**Post date:** [February 9, 2017, 11:39am UTC](https://community.letsencrypt.org/t/the-key-authorization-file-from-the-server-did-not-match-this-challenge/27427/2 "2017-02-09T11:39:02Z")

</div>

ok so rather than just giving an error message put some context around it

A) i have generated x keys  
B) i have ran y commands  
C) verification seems to be ok

Here are some more logs for context etc

Andrei

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<div class="post-metadata">

**Author:** ![system](https://global.discourse-cdn.com/letsencrypt/original/3X/c/a/ca6c06ea1ea201324bba7048c6841ce60236468d.png) [@system](https://community.letsencrypt.org/u/system)\
**Post date:** [March 11, 2017, 11:50am UTC](https://community.letsencrypt.org/t/the-key-authorization-file-from-the-server-did-not-match-this-challenge/27427/3 "2017-03-11T11:50:43Z")

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Closed on March 11, 2017, 11:50am UTC

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