Add or use subdomain

How can I use the subdomain such as @xxx.mydomain.com?
Adding a subdomain doesn’t seem to be allowed. Please help!

I should’ve posted what I did earlier. I find out that the subdomain becomes available once another domain with the desired subdomain is added. It doesn’t seem logical but has worked for me. By the way, please be warned that the subdomain disappears if I remove that added domain.
Hope my answer help you in a way.

Welcome @itoid71 to the MXroute Q&A forums.

May I ask how you’re adding in your subdomain, and if you’re able to share the error you are experiencing?

I did a quick test going from the Domains button in cPanel typing in <subdomain>.domain.tld into the New Domain Name field and clicked Add Domain which simply gets created without any issues.

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Sorry to revive this somewhat dead thread, but I’m having the same issue.

I already have domain.com set up, and am now looking so set up subdomain.domain.com. When I add the subdomain as a new domain, I get the error “You cannot park a domain on top of itself.”

Am I doing this incorrectly? Should I just set up MX records for the subdomains, and will they then automatically work?

Thanks!