Error updating old installation

[pike (Michael Kicks)]

Update - Error downloading packages

I still cant update: [root@neth1 ~]# yum --enablerepo=* clean all && yum update -y Loaded plugins: changelog, fastestmirror, nethserver_events Cleaning repos: C7.0.1406-base C7.0.1406-centosplus C7.0.1406-extras C7.0.1406-fasttrack C7.0.1406-updates C7.1.1503-base C7.1.1503-centosplus C7.1.1503-extras : C7.1.1503-fasttrack C7.1.1503-updates C7.2.1511-base C7.2.1511-centosplus C7.2.1511-extras C7.2.1511-fasttrack C7.2.1511-updates C7.3.1611-base : C7.3.1611-centosplus…

[Errno 256] No more mirrors to try

NethServer Version: 7.6 Cannot get polkit… [root@neth13 ~]# yum --enablerepo=* clean all && yum update -y ... Error downloading packages: polkit-0.112-18.el7_6.1.x86_64: [Errno 256] No more mirrors to try. Any suggestions?

Maybe these can help you.
Did you already cleaned up the yum cache?