Too many certificates already issued for:

My domain is:

I ran this command: letsencrypt certonly --webroot -w webroot-path -d -email --agree-tos --text -vvvvvv

It produced this output:
Connection: close

“type”: “urn:ietf:params:acme:error:rateLimited”,
“detail”: “Error finalizing order :: too many certificates already issued for: see”,
“status”: 429
Storing nonce: Odj_pY6sjrlix6lbojZeNXPQtbtgYX_ggL6IpBv63Ko
Exiting abnormally:
Error: urn:ietf:params:acme:error:rateLimited :: There were too many requests of a given type :: Error finalizing order :: too many certificates already issued for: see

My web server is (include version): nginx 1.4.6-1ubuntu3.8

The operating system my web server runs on is (include version): Ubuntu 14.04

My hosting provider, if applicable, is:

I can login to a root shell on my machine (yes or no, or I don’t know): yes

I’m using a control panel to manage my site (no, or provide the name and version of the control panel): no

Looking at gives “The Registered Domain ( has used 23 of 50 weekly certificates.”. Why am I not able to generate though I have 27 more ?

@lestaff, can we increase the limits for McGill University? Should we ask for a rate limit request form to be filled out?

Someone seems to be trying to issue a lot of certificates from a list in alphabetical order and running up against the rate limit repeatedly:

Okay. will check and revert back to you.
Thank You.

Yes and yes :slight_smile: We've adjusted rate limits for other academic institutions via the form.

Can I try generating the certificate now?

@Pankti, I think that @cpu’s reply means that you should ask someone from McGill’s IT department to fill out this form:

I don’t think the rate limit has been changed yet.

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That's correct. Sorry, my terse reply left that more ambiguous than it needed to be.

Cool. Will ask McGill to fill out the form. Thanks Guys.

That website relies on the CT database, which has unfortunately been backlogged recently, so it's not counting most of the last few days of certificates.

If you use a different (and inevitably harder to use) tool, you'll find many more certificates. For example, this Censys search might work:"Let's+Encrypt")+AND+parsed.names%3A+"")+AND+parsed.validity.start%3A+[2018-08-20+TO+*]

(If it works, it will show slightly too many certificates, starting at 2018-08-20 01:00:00 instead of precisely 1 week ago.)

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