My old, primary Splunk indexer/search head is being retired (v4.1.4). In its place is 4 new indexing servers that are carrying the indexing load for me (all running v4.1.5). Each of these 4 systems were built from scratch, with indexes.conf being moved to them.
I'm trying to set this old server to be a search head for the new systems, allowing it to run some scheduled searches this weekend before we retire the server. When I add the search peers to the old system via the GUI, they all go in nicely without complaint. When I log back into the old server's GUI again I get this message on the top of my browser:
Unable to distribute to peer named xxx at uri https://xxxx:8089 because peer has status = "Duplicate License".
When I look at Manager->Distributed search-> Search Peers I see the 4 peers showing a status of "duplicate license".
I've dug around through logs on all systems and nothing pops out as being in error, etc.