Originally Posted by pititis
No problem if you add the subdomain as separate website:
- In ispconfig create your subdomain like a normal domain. Client->Domain->New (subdomain.domain.com)
- Create website and select your previous created subdomain.domain.com. Select SSL checkbox too.
- Create the new certificate in the SSL tab.
- Don't forget to add a A record in the dns zone for the subdomain
Think this will work. I`m not sure if this is the right way but a for a workaround it should do.