Cert bot bog in server

Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. crt.sh | example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.

My domain is:blog.samvpn2020.com

I ran this command:certbot certonly --standalone --agree-tos --register-unsafely-without-email -d blog.samvpn2020.com

Another instance of Certbot is already running

My web server is (include version):

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

My hosting provider, if applicable, is:

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):no

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot):i dono

What are you trying to do, and where did you get this command from?


$ curl -IL http://blog.samvpn2020.com/
HTTP/1.1 200 OK
Server: nginx/1.18.0 (Ubuntu)
Date: Thu, 17 Aug 2023 21:40:51 GMT
Content-Type: text/html
Content-Length: 610351
Last-Modified: Thu, 17 Aug 2023 11:40:40 GMT
Connection: keep-alive
ETag: "64de0738-9502f"
Accept-Ranges: bytes

Please show the output from certbot --version


Hi @moji7013, and welcome to the LE community forum :slight_smile:

That error seems pretty clear.
Is there another instance of certbot running?

"Cert bot bog in server"

What does that mean?


Yes, it tells me that another instance of cert bot is running and I don't know what to do to get the certificate.

You need to find that other instance and finish it OR stop it.


You might have a stray Certbot lock file from a prior run that failed badly

I saw this from google which is a good set of steps to identify what the problem is


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