I have noted when doing in place windows upgrades that the ip address of Observium is removed from the security tab and only localhost remains.

Regards,
Stuart Dyer
IT Administrator
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From: McGranahan, Jamen (VU) via observium <observium@lists.observium.org>
Sent: Monday, March 13, 2023 11:53 PM
To: Lars Joergensen via observium <observium@observium.org>
Cc: McGranahan, Jamen (VU) <jamen.mcgranahan@vanderbilt.edu>
Subject: [Observium] Windows OS upgrade / broke connection
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Good morning,
We have 2 Windows servers that we upgraded from Windows 2012 to Windows 2019. Originally, I had both connected to Observium and was monitoring them, but since the upgrade, Observium is unable to connect to them and I
 do not know why. On the first one, I even removed it entirely from Observium but now cannot even re-add it. SNMP is running on both systems and settings are the same as what is on another Windows 2019 server that is working correctly, so I am really confused.
 Ideas or suggestions are welcome!
(we’re running Observium 23.2.12520 on a Centos 7 system, using the Observium Professional license)
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 Jamen McGranahan 
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