DCO has never been required, so we need to go through and audit the repos and add DCO files to repos that have commits lacking a signed-off-by line. An example of these files can be found here:

https://github.com/zowe/zowe-install-packaging/tree/master/dco_signoffs

Repo	Status
5g-mec-cloud-gaming	Opened MECCG-1
addon-onap	Repo clean
addon-snappy	Empty repo
aiedge	Sent email to yuliya@baidu.com (only committer)
airshipinabottle_deploy	Sent email to dp7642@att.com and ss769u@att.com
apigateway	Repo clean
camunda_workflow	Sent email to nv537j@att.com for commit 6daeede2
chomp	Repo clean
ci-management	Sent email to fengjiaxin22@163.com, amin.m@nokia.com, alex.kozyrev@windriver.com, yroblamo@redhat.com, ns156u@att.com. alex.kozyrev@windriver.com and nv537j@att.com came back as not found.
connected-vehicle	Sent email to cycle44@gmail.com and qiuxincsu@hotmail.com
ealt-edge	Sent email to arvind.patel@huawei.com, Gaurav agrawal <gaurav.agrawal@huawei.com>, khemendra.kumar@huawei.com, vidyashree.rama@huawei.com, swarup.nayak1@huawei.com, shashikanth.vh@huawei.com
eliot	Sent email to garima.misra@calsoftinc.com, srinivasan.s.n@huawei.com
icn	Sent email to chenjie.xu@intel.com, "Ramakrishnan, Kuralamudhan" <kuralamudhan.ramakrishnan@intel.com>, itohan.ukponmwan@intel.com, cheng1.li@intel.com, enyinna.ochulor@intel.com, huifeng.le@intel.com. itohan.ukponmwan@intel.com came back as not found. Received a reply from Kural. He is PTL, and will work with the team to add DCO documentation.
icn/sdwan	Added to the icn email above.
iec	Sent email to cristina.pauna@enea.com, 13366022056@163.com. cristina.pauna@enea.com came back as not found.
iec/type4	Repo clean
iec/xconnect	Repo clean
kni (all repos)	Sent email to Yolanda Robla Mota <yroblamo@redhat.com>, ssingala@redhat.com, andrew.bays@gmail.com, abays@redhat.com, "Zdarsky, Frank" <fzdarsky@redhat.com>, ashok.chandran3@wipro.com
kontour/kontour	DCO files added. Repo now clean.
nc (all repos)	Sent email to georg.kunz@ericsson.com, gleb108@gmail.com. Gleb completed his DCO file.
pcei	Repo clean
portal_user_interface	Repo clean
portal_user_interface/portal-onapsdk	Repo clean
postgres_db_schema	Repo clean
rec	Repo clean
redfish	Sent email to georg.kunz@ericsson.com
regional_controller	Sent email to dp7642@att.com
regional_controller/api-server	Repo clean
starlingx	Missing DCO on one commit from alex.kozyrev@windriver.com. Per ci-management notes, this email is no longer active.
ta	All ta projects sent as a single email. Bad emails are: krisztian.lengyel@nokia.com, kinkwan.tsui@nokia.com, janne.suominen@nokia.com, mika.rautakumpu@nokia.com
ta/access-management	Emailed gabor.illes@nokia.com
ta/ansible-role-ntp	Clean
ta/build-tools	Clean
ta/caas-cpupooler	Emailed krisztian.lengyel@nokia.com
ta/caas-danm	Clean
ta/caas-etcd	Clean
ta/caas-helm	Emailed krisztian.lengyel@nokia.com
ta/caas-install	Emailed saku.chydenius@nokia.com, szilveszter.simicza@nokia.com, tamas.laczko@nokia.com
ta/caas-kubedns	Emailed krisztian.lengyel@nokia.com
ta/caas-kubernetes	Emailed krisztian.lengyel@nokia.com
ta/caas-lcm	Emailed endre.nemeth@nokia.com
ta/caas-logging	Clean
ta/caas-metrics	Clean
ta/caas-registry	Emailed krisztian.lengyel@nokia.com
ta/caas-security	Emailed tamas.laczko@nokia.com
ta/caas-storage	Emailed balint.tobik@nokia.com
ta/cloudtaf	Emailed petri.huovinen@nokia.com, kinkwan.tsui@nokia.com, mika.rautakumpu@nokia.com
ta/cm-plugins	Emailed dk3239@att.com, botond.borbely@nokia.com
ta/config-manager	Emailed davek@research.att.com, jyrki.aaltonen@nokia.com
ta/distributed-state-server	Clean
ta/hostcli	Clean
ta/hw-detector	Emailed dk3239@att.com
ta/image-provision	Clean
ta/infra-ansible	Emailed ferenc.argay@nokia.com
ta/ipa-deployer	Clean
ta/ironic	Clean
ta/ironic-virtmedia-driver	Emailed janne.suominen@nokia.com
ta/ironicclient	Emailed janne.suominen@nokia.com
ta/lockcli	Clean
ta/manifest	Emailed ferenc.2.toth@nokia.com
ta/monitoring	Clean
ta/openstack-ansible	Clean
ta/openstack-ansible-galera_server	Emailed ferenc.argay@nokia.com
ta/os-net-config	Clean
ta/python-ilorest-library	Clean
ta/python-peewee	Clean
ta/remote-installer	Emailed dk3239@att.com
ta/rpmbuilder	Clean
test_automation	Clean
umec	Emailed henry.carlson@nokia.com
validation	Emailed mm747b@att.com
validation/bluval-fe	Clean
yaml_builds	Emailed rihab.banday@ericsson.com, georg.kunz@ericsson.com