Internal server error connecting to

We are using Posh-ACME to create and update Let’s Encrypt certificates. Since this night we have problems creating orders and renewing certificates.

When I run the script, we get this error:
failed to verify nonce validity: nonce.NonceService.Redeem timed out after 15003 ms
At C:\Program Files\WindowsPowerShell\Modules\Posh-ACME\Private\Invoke-ACME.ps1:159 char:9

  •     throw [AcmeException]::new($acmeError.detail,$acmeError)
  •     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    • CategoryInfo : OperationStopped: (:slight_smile: , AcmeException
    • FullyQualifiedErrorId : failed to verify nonce validity: nonce.NonceService.Redeem timed out after 15003 ms

And debugging deeper into the posh-acme script, we get this error connecting to the API endpoint:
IsMutuallyAuthenticated : False
Cookies : {}
Headers : {Connection, Boulder-Requester, Link, Replay-Nonce…}
SupportsHeaders : True
ContentLength : 173
ContentEncoding :
ContentType : application/problem+json
CharacterSet :
Server : nginx
LastModified : 2-6-2020 12:30:57
StatusCode : InternalServerError
StatusDescription : Internal Server Error
ProtocolVersion : 1.1
ResponseUri :
Method : POST
IsFromCache : False

I can see that there is an ongoing maintenance in progress at:, however that maintenance should be done by June 2, 2020 01:00 UTC. How long is this maintenance going to take?

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

I can login to a root shell on my machine (yes or no, or I don’t know):
I’m using a control panel to manage my site (no, or provide the name and version of the control panel):

It seems like the maintenance timeframe are over. Can you try again?
P.S. According to the description, these are temporary blackouts, so you should be able to get a certificate after retry if the maintenance is the issue.

Hi Steven,
Still the same error, the maintenance is still going it seems.

Seems it’s working magically now. Maintenance is however still going?

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