Hello Quanah, I received this error when running the regression tests: running defines.sh This test tracks a case where changes are incorrectly skipped See https://bugs.openldap.org/show_bug.cgi?id=8444 for more information. Initializing server configurations... Starting provider slapd on TCP/IP URI ldap://localhost:9011/ Using ldapsearch to check that provider slapd is running... Starting provider slapd on TCP/IP URI ldap://localhost:9012/ Using ldapsearch to check that provider slapd is running... Starting provider slapd on TCP/IP URI ldap://localhost:9013/ Using ldapsearch to check that provider slapd is running... Starting provider slapd on TCP/IP URI ldap://localhost:9014/ Using ldapsearch to check that provider slapd is running... Populating database on first provider... Sleeping 10 seconds to allow replication to initiate... Looping 50 times adding and deleting members to the Cartoonia group... Adding new members to the group (1/50)... Deleting new members from the group... Searching new members to see if they still have memberOf present... ldapsearch failed (32)! make[1]: *** [mdb-its-yes] Error 32 make[1]: Leaving directory `/place/to/build/stuff/openldap/openldap-2.6.0/tests' make: *** [regressions] Error 2 Building and testing on CentOS 7.9.2009 against openssl 1:1.1.1k-2.el7 from the epel repo. ./configure --with-argon2 --with-systemd --with-tls=openssl --enable-mdb --with-cyrus-sasl --enable-spasswd --enable-syslog --enable-modules --enable-cleartext --enable-overlays --enable-accesslog --enable-auditlog --with-threads --enable-shared --enable-ldap --enable-monitor --enable-deref --enable-slapd --enable-ppolicy --enable-memberof I have not tried without the --enable-memberof flag. Sincerely, Scott