Problem
One, or more, of your cPanel users vanishes 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, perform run the following command as the root user to rename the account:
whmapi1 modifyacct user=username newuser=newusername
More information on this restriction can be found in our official Documentation here