Error: ntlm_password_check: No LanMan password set for user (and no NT password supplied)

Solution Verified - Updated -

Issue

  • After the server update from RHEL 7.4 to RHEL 7.5, samba clients are not able to authenticate. Every time the client connects to the server it logs the following error message:
Error: ntlm_password_check: NO LanMan password set for user ffprdsvr (and no NT password supplied)

Environment

  • Red Hat Enterprise Linux 7.x.
  • Samba 4.7.1-6

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