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APM templates only in RPC

Hi people:

I need to know why the developers use exclusively in some templates, for example: Exchange Server 2000 and 2003 Template the RPC option instead of WMI :

About Performance Counter Monitor
This component monitor reads Windows Performance Counter data using Remote Procedure Calls (RPC) instead of Windows Management Instrumentation (WMI). All performance counters are assumed to exist within the root/CIMV2 namespace.
more information

this limits my access to many apps, because in our network the Remote Registry Service was shot-down because security vulnerabilities. In the monitor mentioned before, i can't select the access metod (RPC/WMI). So basically i have 2 options: enable the Remote Registry Service or develop an App monitor, option that i don't like very much, since:

-i don't have the time/ knowledge to use VBscript

Orion MUST be more flexible.

why they selected RPC instead of WMI?

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aLTeReGo

I need to know why the developers use exclusively in some templates, for example: Exchange Server 2000 and 2003 Template the RPC option instead of WMI :

The reason has been primarily customer demand. RPC is generally more reliable, lighter weight (less overheard, thus faster), and firewall friendly. There are distinct advantages and disadvantages to either, which is why we've included both methods for retrieving information. While certain templates may use RPC exclusively, as you've already pointed out this information can in most cases be collected using WMI also. The process of creating a template to use WMI is fairly straight forward using "Find Processes, Services, and Performance Counters" under APM settings.

The "Find Processes, Services, and Performance Counters" allows you to browse a computer for Windows Services, Processes, Windows Performance Counters as well as contains a WMI object browser that you can easily use to select (check box style) the components you wish to monitor in a wizard driven process. These items can then be effortlessly added to an existing application template or into an entirely new template.

jjimenez

Thanks for the info, finally i want to know what is the dependency between the Remote Registry Service and the RPC metod of gathering information. I need to have the "remote registry service" up in order to use RPC?

this is for confirmation purposes

martin.susil

Yes, Remote Registry Service needs to be running. Because if Windows Service or Process Monitor is being polled in RPC mode, then we poll for performance counters associated with the service/process. And that is basically read through remote access to registry.