The ACME server was probably unable to reach

error message
The ACME server was probably unable to reach http://www.aaa.com/.well-known/acme-challenge/YK2
Check in a browser to see if the answer file is being served correctly.

my cofiguration environment is windows+nginx / or windows +tomcat all faild ,who can help
my email is 24132349@qq.com

Hi @leo52066,

Did you see the help template when you originally posted? It looks like this:

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. https://crt.sh/?q=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:

I ran this command:

It produced this output:

My web server is (include version):

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

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):

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