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Foglight Agent Manager 5.9.3 - Foglight Agent Manager Guide

Configuring the embedded Agent Manager Installing external Agent Managers
Understanding how the Agent Manager communicates with the Management Server Deploying the Agent Manager cartridge Downloading the Agent Manager installer Installing the Agent Manager Starting or stopping the Agent Manager process Frequently asked questions
Configuring the Agent Manager Advanced system configuration and troubleshooting
Configuring Windows Management Instrumentation (WMI) Configuring Windows Remote Management (WinRM) UNIX- and Linux-specific configuration
Monitoring the Agent Manager performance Deploying the Agent Manager to large-scale environments

WMI access violation and OS connectivity verification failure

Access to WMI is required for both OS verification while creating an agent, and for collecting OS metrics from the monitored host. In some cases, an access violation on the WMI namespace (error 0x00000005) may occur when the agent connectivity verification fails. The access violation error can occur when the permissions or credentials used to access WMI, and specifically the root\cimv2 namespace and Root\MSCluster (if the machine is included in a cluster), are changed or invalid.

In order to view and change namespace security, the user must have Read Security and Edit Security permissions. Administrator accounts have these permissions by default, and can assign them to other users if necessary.

Right-click My Computer and click Manage.
In the Computer Management dialog box that appears, expand the Services and Applications node.
Right-click WMI Control, and click Properties.
In the WMI Control Properties dialog box that appears, open the Security tab.
Expand the Root node and select CIMV2, then click Security.
In the Security for ROOT\CIMV2 dialog box that appears, modify or assign permissions as necessary.
Click OK on each of the dialog boxes to close them.

WMI and Quota Violation error

In some cases, when the agent queries WMI to collect metrics on the monitored host, the host’s performance may be affected. When this occurs, the agent log includes the message: Quota violation [SWbemServicesEx]. This error stems from WMI rather than the agent, and has been identified by Microsoft® as a known issue in Windows® Server 2003.

Known WMI issues in Windows Server 2008

Microsoft® has identified a number of known issues with WMI services in Windows® Server 2008. The following issues may occur:

In SQL Server 2008, the perfmon counters do not appear under WMI because they do not exist.
Using the same OS credentials as the agent uses, run perfmon /wmi on the monitored host.
In SQL Server 2008 on Windows Server 2008, if the perfmon counters are missing from WMI, install the following hotfix:

Tuning WMI connections

The following parameters can be used to fine tune the Windows Management Instrumentation (WMI) connections made by Foglight® agents. You can set these parameters for Foglight Agent Manager either in the baseline.jvmargs.config file as vmparameter options, or specify them directly as jvm options when starting up Foglight Agent Manager via command line. The values used for these parameters vary from environment to environment and so should be used as reference only.

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