After host re-registration, the node is not marked as 'Active' in the list of Service Nodes.
There is a failed task to reinstall
Reinstall package 'hs_common' on node 'example.com'
with the output of:
Internal error: Cannot fetch 'other-RHEL-6-i686-hs_common-1.3.tgz': 'http://192.0.2.2/tarballs/other-RHEL-6-i686-hs_common-1.3.tgz: The requested URL returned error: 404 Not Found'.
hs_common package exists on the node that remained from the old OA version.
Navigate to Infrastructure > Service Nodes > YOUR NODE > Package and press Update for the
hs_common package (an icon on the right).