Linux/Unix monitoring error

py 206 Reputation points

Hello All,

I have this error while discovering the SCOM agent. Agent has been installed and i have verified the certificate and also reset the certificate. There seems to no issue with the password or accounts. Kindly advise



omiserver: is running
omiagent: 1 instance running
[xxxxxx]$ cat /etc/os-release
NAME="Red Hat Enterprise Linux Server"
VERSION="7.9 (Maipo)"
PRETTY_NAME="Red Hat Enterprise Linux"

REDHAT_BUGZILLA_PRODUCT="Red Hat Enterprise Linux 7"
REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux"

Unexpected DiscoveryResult.ErrorData type. Please file bug report.
ErrorData: Microsoft.SystemCenter.CrossPlatform.ClientLibrary.MPAbstractions.WSManUnknownErrorException
WinRM cannot process the request. The following error occurred while using Kerberos authentication: The computer xxxxx is unknown to Kerberos. Verify that the computer exists on the network, that the name provided is spelled correctly, and that the Kerberos configuration for accessing the computer is correct. The most common Kerberos configuration issue is that an SPN with the format HTTP/xxxxx is not configured for the target. If Kerberos is not required, specify the Negotiate authentication mechanism and resubmit the operation.
at System.Activities.WorkflowApplication.Invoke(Activity activity, IDictionary2 inputs, WorkflowInstanceExtensionManager extensions, TimeSpan timeout) at System.Activities.WorkflowInvoker.Invoke(Activity workflow, IDictionary2 inputs, TimeSpan timeout, WorkflowInstanceExtensionManager extensions)
at Microsoft.SystemCenter.CrossPlatform.ClientActions.DefaultDiscovery.InvokeWorkflow(IManagedObject managementActionPoint, DiscoveryTargetEndpoint criteria, IInstallableAgents installableAgents)

Operations Manager
Operations Manager
A family of System Center products that provide infrastructure monitoring, help ensure the predictable performance and availability of vital applications, and offer comprehensive monitoring for datacenters and cloud, both private and public.
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Accepted answer
  1. CyrAz 5,181 Reputation points

    The error message clearly shows that SCOM is trying to authenticate using kerberos instead of basic auth, and that it's failing because the linux server isn't registered in Active Directory (at least not under the name).
    So you should first check whether that server is joined to AD or not, and if it's supposed to use kerberos authentication or not.

    1 person found this answer helpful.

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