IPA / RHDS - Getting "Protocol error" when running some commands.

Solution Verified - Updated -

Issue

With some versions of the 389-ds package:

  • Requesting an empty attribute fails with the error message "Protocol error":
# rpm -qa | grep 389-ds
389-ds-base-1.3.7.5-29.el7_5.x86_64
389-ds-base-libs-1.3.7.5-29.el7_5.x86_64
#

# ldapsearch -xLLL -D "cn=Directory Manager" -W -b cn=config -sbase objectclass=* ""
Enter LDAP Password:
Protocol error (2)
#
  • There are failures when running some IPA commands:

# ipa user-show admin ipa: ERROR: Protocol error: #

Environment

Identity Management - IPA 4.5.x
Red Hat Directory Server 10.x
Red Hat Enterprise Linux 7.x

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