# Schellingadvies.nl

**URL:** <https://community.letsencrypt.org/t/schellingadvies-nl/198042>\
**Category:** Client dev\
**Created:** [May 10, 2023, 9:06am UTC](https://community.letsencrypt.org/t/schellingadvies-nl/198042 "2023-05-10T09:06:56Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![zguoqi](https://sea3.discourse-cdn.com/letsencrypt/user_avatar/community.letsencrypt.org/zguoqi/32/66343_2.png) [@zguoqi](https://community.letsencrypt.org/u/zguoqi)\
**Post date:** [May 10, 2023, 9:06am UTC](https://community.letsencrypt.org/t/schellingadvies-nl/198042/1 "2023-05-10T09:06:56Z")

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We can generate the certificate for domain with www, but not domain without www. It failed with http validation.

My domain is: schellingadvies.nl

I ran this command: ACME client.

It produced this output: HTTP Validation failed, urn:ietf:params:acme:error:malformed: Unable to update challenge :: authorization must be pending

My web server is (include version): [ASP.NET](http://ASP.NET) Server

The operating system my web server runs on is (include version): Ubuntu 22.04

I can login to a root shell on my machine: yes

The version of my client is: .NET dll certes.

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**Author:** ![Osiris](https://avatars.discourse-cdn.com/v4/letter/o/839c29/32.png) [@Osiris](https://community.letsencrypt.org/u/Osiris)\
**Post date:** [May 10, 2023, 12:16pm UTC](https://community.letsencrypt.org/t/schellingadvies-nl/198042/2 "2023-05-10T12:16:39Z")

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> [@zguoqi](#):
>
> I ran this command: ACME client.

How exactly? Can you please provide more context? E.g., the exact command ran or the code used.

Also, does `certes` provide debugging/verbose logging? If so, please also provide that.

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**Author:** ![webprofusion](https://sea3.discourse-cdn.com/letsencrypt/user_avatar/community.letsencrypt.org/webprofusion/32/85310_2.png) [@webprofusion](https://community.letsencrypt.org/u/webprofusion)\
**Post date:** [May 11, 2023, 7:43am UTC](https://community.letsencrypt.org/t/schellingadvies-nl/198042/3 "2023-05-11T07:43:36Z")

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It sounds like you are developing your own ACME client using certes as a library.

It sounds to me like you are trying to submit a challenge response for an authorization that has already failed.

Once they have failed you cannot re-try them, you have to either complete another authorization for the same identifier or start your order again.

If you can share your code it might help.

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**Author:** ![system](https://global.discourse-cdn.com/letsencrypt/original/3X/c/a/ca6c06ea1ea201324bba7048c6841ce60236468d.png) [@system](https://community.letsencrypt.org/u/system)\
**Post date:** [June 10, 2023, 7:44am UTC](https://community.letsencrypt.org/t/schellingadvies-nl/198042/4 "2023-06-10T07:44:08Z")

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