Why does my server running nscd and nss-ldap stop responding and users are prevented from logging in through ssh?

Solution Unverified - Updated -

Issue

  • Users cannot ssh onto the server and it appears to not be responding.
  • The message logs shows below error message.
sshd[23638]: fatal: Privilege separation user sshd does not exist
nscd: nss_ldap: reconnected to LDAP server ldaps://ldaps.test.com/ after 1 attempt
  • Without restarting / reloading nscd service, server does not respond and does not allow to login via ssh.
  • Or samba throws an error 'permission denied' while accessing 10 level depth directories

Environment

  • Red Hat Enterprise Linux 5
  • nss_ldap
  • nscd

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