SCOM Monitoring of Linux/Unix of Windows workgroup Agent with same name

Hello All!

Lets assume that for some reason you have in yours infrastructure servers which have exact same FQDNs but different IPs (sometimes it can happen with best of us). And you have question if it is possible to monitor such Objects with your SCOM. Every Entity in SCOM has its own unique HealthService GUID – according to this blog How are GUIDs in SCOM and SCSM calculated? such GUIDs calculated based on many parameter which are same inside Management Group and FQDNs for Windows  Computer and Unix/Linux Computer (which are same for our servers). So it is looks like we cannot monitor Servers with same FQDN.

Workaround available:

Imagine we have two servers deployed

– Server1

FQDN:ubuntu1.contoso.com

IP: XXX.XXX.XXX.001

– Server2

FQDN:ubuntu1.contoso.com

IP: XXX.XXX.XXX.002

On SCOM Management server we can create records in c:\Windows\System32\drivers\etc\hosts file

# Server1

#FQDN:ubuntu1.contoso.com

XXX.XXX.XXX.001 ubuntu1.contoso.com

# Server2

# FQDN:ubuntu1.contoso.com

XXX.XXX.XXX.002 ubuntu1-sec.contoso.com

Next on our “second” server we have to manually generate Certificate

/opt/microsoft/scx/bin/tools/scxsslconfig -h ubuntu1-sec.contoso.com -f -v

Now we can discover this server through SCOM Console with appropriate IP address.

Same can be done with Windows Server Computer but Certificate generated different way.

Happy Monitoring!

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