Problem
One or more of your cPanel users vanish from the WHM interface. Files are still present, and configurations still exist.
Answer
It is likely that the user(s) in question are on the reserved users list.
By default, the system reserves the following list of aliases:
| Username | Alias |
| root | abuse, adm, amandabackup, apache, bin, canna, daemon, dbus, decode, desktop, dovecot, dumper, fax, ftp, games, gdm, gopher, halt, hostmaster, ident, ingres, ldap, lp, mail, mailnull, manager, mysql, named, netdump, news, nfsnobody, nobody, noc, nscd, ntp, nut, operator, pcap, postfix, postgres, postmaster, privoxy, pvm, quagga, quota, radiusd, radvd, root, rpc, rpcuser, rpm, security, shutdown, smmsp, squid, sshd, sync, system, toor, uucp, vcsa, virtual, webalizer, webmaster, wnn, xfs |
| postmaster | info, mailer-daemon, marketing, sales, support |
| news | newsadm, newsadmin, usenet |
| FTP | ftp-adm, ftp-admin, ftpadm, ftpadmin |
| webmaster | www |
Solution
To resolve issues with invalid, reserved, or restricted usernames or aliases, you can modify the account to use a different username:
- Access your server via SSH as the root user
- Run the following command to rename the cpanel from 'oldusername' to 'newusername'
whmapi1 modifyacct user=oldusername newuser=newusername
Additional Information
More information on this restriction can be found in our official Documentation:
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