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:
To fix these errors, please make sure that your domain name was entered correctly and the DNS A/AAAA record(s) for that domain contain(s) the right IP address. Additionally, please check that your computer has a publicly routable IP address and that no firewalls are preventing the server from communicating with the client. If you’re using the webroot plugin, you should also verify that you are serving files from the webroot path you provided.
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): yes
I’m using a control panel to manage my site (no, or provide the name and version of the control panel):
No control panel
The version of my client is (e.g. output of
certbot --version or
certbot-auto --version if you’re using Certbot):
I have created a subdomain for a domain. I successfully added SSL to domain but it gives below error for subdomain.
selected vhost would conflict with other HTTPS VirtualHosts within Apache. Please select another vhost or add ServerNames to your configuration.
My DNS is correct. I can access http version of subdomain site without any problem.
I even added subdomain and IP to /etc/hosts
I have five more domain on my virtual host and I created SSL cert for all of them without any problem.
I have tried to change sub directory address…change NameAlias…
both domain and sub goes to same IP address. I created two different files like blockchain.dcwebmakers.com.conf and dcwebmakers.com.conf on Apache sites-available and sites-enabled…