It has happened again today and our SHC is version 6.6.2 now.
Has anyone found a cause and permanent solution to this issue?
A rolling restart will temporarily resolve the issue and we don't have the luxury to do a fresh install.
Something else that I checked this time was the debug info for each of the individual search heads: http://SearchHeadName/en-US/debug/echo?ping=ok
All but one of the search heads were showing UNKNOWN_VERSION listed in the "Server Info" at the bottom of the debug window.
I logged into each one individually as the admin account using their respective URLs (http://SearchHeadName/en-US/account/login?loginType=Splunk) and then reloaded the debug URL, and this time the correct version was displayed in the Server Info.
After I finished logging into each one, I logged back into the URL for the SHC and this time the correct version was shown.
If anyone else has any info on this then please share. Thanks!
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