Samba Client failing to connect using plain text password after RHEL 7.5 update

Solution Unverified - Updated -

Issue

After the server update from RHEL 7.4 to RHEL 7.5, samba clients are not able to authenticate using a plain text passwords. Every time the client connects to the server it logs the following error message:

Error: auth_check_ntlm_password: sam_ignoredomain authentication for user [user01] FAILED with error NT_STATUS_WRONG_PASSWORD, authoritative=1

Environment

Red Hat Enterprise Linux 7.5
Samba 4.7.1-6

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